diff --git a/01 - JavaScript Drum Kit/index.html b/01 - JavaScript Drum Kit/index.html
index 246639f990..ca05ce2b70 100644
--- a/01 - JavaScript Drum Kit/index.html	
+++ b/01 - JavaScript Drum Kit/index.html	
@@ -59,23 +59,31 @@
 
 <script>
 
+function playSound(e) {
+  const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+  const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+  // const is new in ECMAScript 6; it allows assignment of a variable that won't be reassigned
+  //${} is notation for an ES 6 template string; in earlier ES versions, this would be ("audio[data-key=\"" + e.keyCode + "\"]")
+  if (!audio) return; //stop the function from running if no audio element containing the keyCode of the pressed key as a data-key attribute is present
+  audio.currentTime=0; //rewind to start, allows pressing key in rapid succession
+  audio.play();
+  key.classList.add('playing');
+};
 
-  function playSound(e) {
-    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
-    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
-    if (!audio) return; // stop the function from running all together
-    audio.currentTime = 0; // rewind to the start
-    audio.play();
-    key.classList.add('playing');
-  }
-  function removeTransition(e) {
-    if (e.propertyName !== 'transform') return; // skip it if it's not a transform
-    this.classList.remove('playing');
-  }
+function removeTransition(e) {
+  if(e.propertyName !== 'transform') return; //skip if it's not a transform, because many different css properties are transitioning and you only need the eventListener to look at one
+  this.classList.remove('playing');
+}
 
-  const keys = document.querySelectorAll('.key');
-  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
-  window.addEventListener('keydown', playSound);
+const keys = document.querySelectorAll('.key');
+keys.forEach (key => key.addEventListener('transitionend', removeTransition));
+/*Arrow functions are also new in ES6. In the above example, it provides a concise way of expressing a function.
+The arguments used in the function are listed before the arrow, the expression after the arrow is the function.
+The old way would be writing:
+keys.forEach(function(key) {
+  return key.AddEventListener('transitionend', removeTransition);
+});*/
+window.addEventListener('keydown', playSound);
 
 </script>
 
diff --git a/02 - JS + CSS Clock/index.html b/02 - JS + CSS Clock/index.html
index 1c777557da..0d5f5b9736 100644
--- a/02 - JS + CSS Clock/index.html	
+++ b/02 - JS + CSS Clock/index.html	
@@ -61,36 +61,36 @@
       background:black;
       position: absolute;
       top:50%;
-      transform-origin: 100%;
+      transform-origin:right; /*same as transform-origin:100%. Use values over 100% to transfrom about a point off the object*/
       transform: rotate(90deg);
       transition: all 0.05s;
-      transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
+      transition-timing-function: cubic-bezier(0, 2.7, 0.58, 1);
     }
-</style>
 
-<script>
-  const secondHand = document.querySelector('.second-hand');
-  const minsHand = document.querySelector('.min-hand');
-  const hourHand = document.querySelector('.hour-hand');
+  </style>
 
-  function setDate() {
-    const now = new Date();
+  <script>
 
-    const seconds = now.getSeconds();
-    const secondsDegrees = ((seconds / 60) * 360) + 90;
-    secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+    const secondHand = document.querySelector('.second-hand');
+    const minuteHand = document.querySelector('.min-hand');
+    const hourHand = document.querySelector('.hour-hand');
 
-    const mins = now.getMinutes();
-    const minsDegrees = ((mins / 60) * 360) + 90;
-    minsHand.style.transform = `rotate(${minsDegrees}deg)`;
-
-    const hour = now.getMinutes();
-    const hourDegrees = ((mins / 12) * 360) + 90;
-    hourHand.style.transform = `rotate(${hourDegrees}deg)`;
-  }
+    function setDate() {
+      const now = new Date();
+      const seconds = now.getSeconds();
+      const minutes = now.getMinutes();
+      const hours = now.getHours();
+      const secondsDegrees = (seconds * 6) + 90  /*(seconds/60 * 360) = seconds * 6)*/
+      const minutesDegrees = (minutes * 6) + 90
+      const hoursDegrees = (hours * 30) + 90 /*360/12 = 30 */
+      secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+      minuteHand.style.transform = `rotate(${minutesDegrees}deg)`;
+      hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+    }
 
-  setInterval(setDate, 1000);
+    setInterval(setDate, 1000); /*built in function that runs a function at a given period
+    document.querySelector(`.second-hand');*/
 
-</script>
+  </script>
 </body>
 </html>
diff --git a/03 - CSS Variables/index.html b/03 - CSS Variables/index.html
new file mode 100644
index 0000000000..c9957f1881
--- /dev/null
+++ b/03 - CSS Variables/index.html	
@@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Scoped CSS Variables and JS</title>
+</head>
+<body>
+  <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
+
+  <div class="controls">
+    <label for="spacing">Spacing:</label>
+    <input type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">
+
+    <label for="blur">Blur:</label>
+    <input type="range" name="blur" min="0" max="25" value="10" data-sizing="px">
+    <!-- data-sizing is a custom attribute to specify the suffix of the css property -->
+
+    <label for="base">Base Color</label>
+    <input type="color" name="base" value="#2e8efc">
+  </div>
+
+  <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
+
+  <style>
+  :root {
+    --base: #2e8efc;
+    --spacing: 10px;
+    --blur: 10px;
+  }
+
+    /*
+      CSS custom properties are new and a specified with "--" preceeding the rest of the property name.
+      :root selector matches the document's root element. For an HTML document, it is always the <html> element
+      It is common to define custom CSS variable properties on the :root element but actually call them on other elements
+    */
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .hl {
+      color: var(--base);
+    }
+
+    /* CSS varibles are called using the var() function*/
+
+    body {
+      text-align: center;
+    }
+
+    body {
+      background: #193549;
+      color: white;
+      font-family: 'helvetica neue', sans-serif;
+      font-weight: 100;
+      font-size: 50px;
+    }
+
+    .controls {
+      margin-bottom: 50px;
+    }
+
+    a {
+      color: var(--base);
+      text-decoration: none;
+    }
+
+    input {
+      width:100px;
+    }
+  </style>
+
+  <script>
+  const inputs = document.querySelectorAll(".controls input");
+
+ function handleUpdate() {
+    const suffix = this.dataset.sizing || '';
+    document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix)
+  }
+
+  inputs.forEach (input => input.addEventListener('change', handleUpdate)); /*updates when you let go*/
+  inputs.forEach (input => input.addEventListener('mousemove', handleUpdate)); /*changes when moved*/
+
+  </script>
+
+</body>
+</html>
diff --git a/04 - Array Cardio Day 1/index.html b/04 - Array Cardio Day 1/index.html
new file mode 100644
index 0000000000..f8052f419b
--- /dev/null
+++ b/04 - Array Cardio Day 1/index.html	
@@ -0,0 +1,115 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Array Cardio 💪</title>
+</head>
+<body>
+  <script>
+    // Get your shorts on - this is an array workout!
+    // ## Array Cardio Day 1
+
+    // Some data we can work with
+
+    const inventors = [
+      { first: 'Albert', last: 'Einstein', year: 1879, passed: 1955 },
+      { first: 'Isaac', last: 'Newton', year: 1643, passed: 1727 },
+      { first: 'Galileo', last: 'Galilei', year: 1564, passed: 1642 },
+      { first: 'Marie', last: 'Curie', year: 1867, passed: 1934 },
+      { first: 'Johannes', last: 'Kepler', year: 1571, passed: 1630 },
+      { first: 'Nicolaus', last: 'Copernicus', year: 1473, passed: 1543 },
+      { first: 'Max', last: 'Planck', year: 1858, passed: 1947 }
+    ];
+
+    const flavours = ['Chocolate Chip', 'Kulfi', 'Caramel Praline', 'Chocolate', 'Burnt Caramel', 'Pistachio', 'Rose', 'Sweet Coconut', 'Lemon Cookie', 'Toffeeness', 'Toasted Almond', 'Black Raspberry Crunch', 'Chocolate Brownies', 'Pistachio Almond', 'Strawberry', 'Lavender Honey', 'Lychee', 'Peach', 'Black Walnut', 'Birthday Cake', 'Mexican Chocolate', 'Mocha Almond Fudge', 'Raspberry'];
+
+    const people = ['Beck, Glenn', 'Becker, Carl', 'Beckett, Samuel', 'Beddoes, Mick', 'Beecher, Henry', 'Beethoven, Ludwig', 'Begin, Menachem', 'Belloc, Hilaire', 'Bellow, Saul', 'Benchley, Robert', 'Benenson, Peter', 'Ben-Gurion, David', 'Benjamin, Walter', 'Benn, Tony', 'Bennington, Chester', 'Benson, Leana', 'Bent, Silas', 'Bentsen, Lloyd', 'Berger, Ric', 'Bergman, Ingmar', 'Berio, Luciano', 'Berle, Milton', 'Berlin, Irving', 'Berne, Eric', 'Bernhard, Sandra', 'Berra, Yogi', 'Berry, Halle', 'Berry, Wendell', 'Bethea, Erin', 'Bevan, Aneurin', 'Bevel, Ken', 'Biden, Joseph', 'Bierce, Ambrose', 'Biko, Steve', 'Billings, Josh', 'Biondo, Frank', 'Birrell, Augustine', 'Black Elk', 'Blair, Robert', 'Blair, Tony', 'Blake, William'];
+
+    // Array.prototype.filter()
+    // 1. Filter the list of inventors for those who were born in the 1500's
+    const fifteen = inventors.filter(inventor => {
+      if(inventor.year >= 1500 && inventor.year < 1600) {
+        return true; //store value in array
+      }
+    });
+
+    //Alternatively in one line: const fifteen = inventors.filter(inventor => inventor.year >= 1500 && inventor.year < 1600);
+
+    console.table(fifteen)
+
+    // Array.prototype.map()
+    // 2. Give us an array of the inventory first and last names
+    //Map returns a new array of the same length after performing an operation
+
+    const fullNames = inventors.map(inventor => `${inventor.first} ${inventor.last}`);
+      console.log(fullNames)
+
+    // Array.prototype.sort()
+    // 3. Sort the inventors by birthdate, oldest to youngest
+    // Sort compares one thing to one other thing at a time: generally use -1 or 1 to order
+    const ordered = inventors.sort(function(a,b) {
+      if (a.year > b.year) {
+        return 1;
+      } else {
+        return -1
+      }
+    });
+
+    console.table(ordered);
+
+    // Or in one line using an arrow function and ternary operator:
+    // const ordered = inventors.sort((a, b) => a.year > b.year ? 1 : -1);
+
+
+    // Array.prototype.reduce()
+    // 4. How many years did all the inventors live?
+    //Reduce takes everything in a array and maps to one values by iterating over each entry. Kind of a handy built in for loop of the += sort. The fucntion calledback has a particular structure
+
+    const totalYears = inventors.reduce((total, inventor) => {
+      return total + (inventor.passed - inventor.year);
+      }, 0);
+
+    console.log(totalYears);
+
+    // 5. Sort the inventors by years lived
+    const oldest = inventors.sort(function(a,b) {
+      const lastGuy = a. passed - a.year;
+      const nextGuy = b.passed - b.year;
+      return lastGuy > nextGuy ? -1 : 1;
+    });
+
+    console.table(oldest);
+
+    // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
+    // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
+    //  const category = document.querySelector(".mw-category");
+    //  const links = Array.from(category.querySelectorAll("a"));    //
+    //  const streets = links.map(link => link.textContent)
+    //  const de = streets.filter(streetName => streetName.includes("de"));
+
+    // 7. sort Exercise
+    // Sort the people alphabetically by last name
+    const alpha = people.sort(function(lastOne, nextOne) {
+      const [aLast, aFirst] = lastOne.split(", ");
+      const [bLast, bFirst] = nextOne.split(", ");
+      return aLast > bLast ? 1 : -1;
+    });
+    console.log(alpha);
+
+    // 8. Reduce Exercise
+    // Sum up the instances of each of these
+    const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck', 'pogo stick'];
+
+    const transportation = data.reduce(function(obj, item) {
+      if (!obj[item]) {
+        obj[item] = 0; //initializes the object property by if it doesn't already exist
+      }
+      obj[item]++; //increments the object property value by one
+      return(obj); // returns the object at the end
+    }, {});
+
+    console.log(transportation);
+
+  </script>
+</body>
+</html>
diff --git a/05 - Flex Panel Gallery/index.html b/05 - Flex Panel Gallery/index.html
new file mode 100644
index 0000000000..a224b0ae15
--- /dev/null
+++ b/05 - Flex Panel Gallery/index.html	
@@ -0,0 +1,158 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Flex Panels 💪</title>
+  <link href='https://fonts.googleapis.com/css?family=Amatic+SC' rel='stylesheet' type='text/css'>
+</head>
+<body>
+  <style>
+    html {
+      box-sizing: border-box;
+      background:#ffc600;
+      font-family:'helvetica neue';
+      font-size: 20px;
+      font-weight: 200;
+    }
+    body {
+      margin: 0;
+    }
+    *, *:before, *:after {
+      box-sizing: inherit;
+    }
+
+    .panels {
+      min-height:100vh;
+      overflow: hidden;
+      display:flex;
+    }
+
+    .panel {
+      background:#6B0F9C;
+      box-shadow:inset 0 0 0 5px rgba(255,255,255,0.1);
+      color:white;
+      text-align: center;
+      align-items:center;
+      /* Safari transitionend event.propertyName === flex */
+      /* Chrome + FF transitionend event.propertyName === flex-grow */
+      transition:
+        font-size 0.7s cubic-bezier(0.61,-0.19, 0.7,-0.11),
+        flex 0.7s cubic-bezier(0.61,-0.19, 0.7,-0.11),
+        background 0.2s;
+      font-size: 20px;
+      background-size:cover;
+      background-position:center;
+      flex: 1; /*evenly distribute extra space*/
+      /*justify-content:center;
+      align-items: center; Neither of these properties are required because the CSS properties of the nested flex items are doing all the work*/
+      display:flex;
+      flex-direction: column; /*makes the text stack vertically rather than ltr*/
+    }
+
+    .panel > *:first-child {
+      transform: translateY(-100%);
+    }
+
+    .panel.open-active> *:first-child {
+      transform: translateY(0%);
+    }
+
+    .panel > *:last-child {
+      transform: translateY(100%);
+    }
+
+     .panel.open-active> *:last-child {
+      transform: translateY(0%);
+    }
+
+
+    .panel1 { background-image:url(https://source.unsplash.com/gYl-UtwNg_I/1500x1500); }
+    .panel2 { background-image:url(https://source.unsplash.com/1CD3fd8kHnE/1500x1500); }
+    .panel3 { background-image:url(https://images.unsplash.com/photo-1465188162913-8fb5709d6d57?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&w=1500&h=1500&fit=crop&s=967e8a713a4e395260793fc8c802901d); }
+    .panel4 { background-image:url(https://source.unsplash.com/ITjiVXcwVng/1500x1500); }
+    .panel5 { background-image:url(https://source.unsplash.com/3MNzGlQM7qs/1500x1500); }
+
+    .panel > * {
+      margin:0;
+      width: 100%;
+      transition:transform 0.5s;
+      border: 1px solid red;
+      flex: 1 0 auto; /*forces each element to take up 1/nth of the container*/
+      display: flex;
+      justify-content: center; /*used with flex. Determines the horizontal placement  of content within the element*/
+      align-items: center; /* used with flex. Determines the vertical placement of content within the element. In this examples the content within the <p> tags will be centered*/
+    }
+
+    .panel p {
+      text-transform: uppercase;
+      font-family: 'Amatic SC', cursive;
+      text-shadow:0 0 4px rgba(0, 0, 0, 0.72), 0 0 14px rgba(0, 0, 0, 0.45);
+      font-size: 2em;
+    }
+    .panel p:nth-child(2) {
+      font-size: 4em;
+    }
+
+    .panel.open {
+      flex:5; /*when it has a class of open, take 5 times the amount space as something with flex:1;*/
+      font-size:40px;
+    }
+
+    .cta {
+      color:white;
+      text-decoration: none;
+    }
+
+  </style>
+
+
+  <div class="panels">
+    <div class="panel panel1">
+      <p>Hey</p>
+      <p>Let's</p>
+      <p>Dance</p>
+    </div>
+    <div class="panel panel2">
+      <p>Give</p>
+      <p>Take</p>
+      <p>Receive</p>
+    </div>
+    <div class="panel panel3">
+      <p>Experience</p>
+      <p>It</p>
+      <p>Today</p>
+    </div>
+    <div class="panel panel4">
+      <p>Give</p>
+      <p>All</p>
+      <p>You can</p>
+    </div>
+    <div class="panel panel5">
+      <p>Life</p>
+      <p>In</p>
+      <p>Motion</p>
+    </div>
+  </div>
+
+  <script>
+
+  const panels = document.querySelectorAll(".panel");
+  function toggleOpen() {
+    this.classList.toggle("open");
+  }
+
+  function toggleActive(e) {
+    if(e.propertyName.includes('flex')) {
+      this.classList.toggle("open-active");
+  }
+}
+
+  panels.forEach(panel => panel.addEventListener('click',toggleOpen));
+  panels.forEach(panel => panel.addEventListener('transitionend',toggleActive));
+
+  </script>
+
+
+
+</body>
+</html>
diff --git a/06 - Type Ahead/index.html b/06 - Type Ahead/index.html
new file mode 100644
index 0000000000..56954a3c2c
--- /dev/null
+++ b/06 - Type Ahead/index.html	
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Type Ahead 👀</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+  <form class="search-form">
+    <input type="text" class="search" placeholder="City or State">
+    <ul class="suggestions">
+      <li>Filter for a city</li>
+      <li>or a state</li>
+    </ul>
+  </form>
+<script>
+const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
+
+const cities = [];
+
+fetch(endpoint)
+  .then(blob => blob.json()) //fetch is new browser API. Returns a 'promise'. Then methods returns a set of data with no formatting otherwise hence calling it "blob"
+  .then(data => cities.push(...data)) //... means spread and is new is ES6. Regular push with spread would nest all objects in the 'data' as the first index of 'cities', not make an individual array entry for each object.
+  //newlines don't interrupt here: this is chain .then methods to eventually extract json data and enter each object as an entry into the cities array
+  //note also that you can push things to a variable assigned with const, even though you cant reassign variables
+
+function findMatches(wordToMatch, cities) {
+  return cities.filter(place => {
+    //here we need to figure out if the city/state matches what was searched
+    //we'll need some regex to verify a match, but we need the regex to contain a variable (whatever the user searches)
+    const regex = new RegExp(wordToMatch, 'gi');
+    return place.city.match(regex) ||  place.state.match(regex)
+  });
+}
+
+function numberWithCommas(x) {
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+} //crazy regex, stack overflox to the rescue
+
+function displayMatches () {
+  const matchArray = findMatches(this.value, cities);
+  const html = matchArray.map(place => {
+    const regex = RegExp(this.value, 'gi');
+    const cityName = place.city.replace(regex,`<span class="hl">${this.value}</span>`);
+    const stateName = place.state.replace(regex,`<span class="hl">${this.value}</span>`);
+    return `
+      <li>
+        <span class="name">${cityName} ${stateName}</span>
+        <span class="population">${numberWithCommas(place.population)}</span>
+      </li>
+     `;
+  }).join('');
+  suggestions.innerHTML = html;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('change',displayMatches);
+searchInput.addEventListener('keyup',displayMatches);
+
+</script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/07 - Array Cardio Day 2/index-START.html b/07 - Array Cardio Day 2/index-START.html
index bdf6c44415..1c3953d811 100644
--- a/07 - Array Cardio Day 2/index-START.html	
+++ b/07 - Array Cardio Day 2/index-START.html	
@@ -25,42 +25,17 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19?
-    // const isAdult = people.some(function(person) {
-    //   const currentYear = (new Date()).getFullYear();
-    //   if(currentYear - person.year >= 19) {
-    //     return true;
-    //   }
-    // });
 
-    const isAdult = people.some(person => ((new Date()).getFullYear()) - person.year >= 19);
-
-    console.log({isAdult});
     // Array.prototype.every() // is everyone 19?
 
-    const allAdults = people.every(person => ((new Date()).getFullYear()) - person.year >= 19);
-    console.log({allAdults});
-
     // Array.prototype.find()
     // Find is like filter, but instead returns just the one you are looking for
     // find the comment with the ID of 823423
 
-
-    const comment = comments.find(comment => comment.id === 823423);
-
-    console.log(comment);
-
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
-    const index = comments.findIndex(comment => comment.id === 823423);
-    console.log(index);
-
-    // comments.splice(index, 1);
 
-    const newComments = [
-      ...comments.slice(0, index),
-      ...comments.slice(index + 1)
-    ];
 
   </script>
 </body>
diff --git a/07 - Array Cardio Day 2/index.html b/07 - Array Cardio Day 2/index.html
new file mode 100644
index 0000000000..2c8a57bea1
--- /dev/null
+++ b/07 - Array Cardio Day 2/index.html	
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Document</title>
+</head>
+<body>
+  <script>
+    // ## Array Cardio Day 2
+
+    const people = [
+      { name: 'Wes', year: 1988 },
+      { name: 'Kait', year: 1986 },
+      { name: 'Irv', year: 1970 },
+      { name: 'Lux', year: 2015 }
+    ];
+
+    const comments = [
+      { text: 'Love this!', id: 523423 },
+      { text: 'Super good', id: 823423 },
+      { text: 'You are the best', id: 2039842 },
+      { text: 'Ramen in my fav food ever', id: 123523 },
+      { text: 'Nice Nice Nice!', id: 542328 }
+    ];
+
+    // Some and Every Checks
+    // Array.prototype.some() // is at least one person 19?
+    //const isAdult = people.some(function(person) {
+    //      const currentYear = (new Date()).getFullYear();
+    //      if (currentYear - person.year >= 19) {
+    //        return true
+    //      }
+    //    })    ;/
+
+    //    console.log({isAdult});
+
+    const isAdult = people.some (person => {
+      const currentYear = (new Date()).getFullYear();
+      return currentYear - person.year >= 19;
+    });
+
+    console.log({isAdult});
+
+    // Array.prototype.every() // is everyone 19?
+    const allAdults = people.every (person => {
+      const currentYear = (new Date()).getFullYear();
+      return currentYear - person.year >= 19;
+    });
+
+    console.log({allAdults});
+    // Array.prototype.find()
+    // Find is like filter, but instead returns just the first item it finds
+    // find the comment with the ID of 823423
+    const comment =  comments.find(comment => {
+      return comment.id === 823423
+    });
+
+    console.log(comment);
+
+    // Array.prototype.findIndex()
+    // Find the comment with this ID
+    // delete the comment with the ID of 823423
+
+    const index =  comments.findIndex(comment => {
+      return comment.id === 823423
+    });
+
+    console.log(index);
+
+    // const newComments = comments.splice(index, 1); //splice modifies the original array
+
+    const newComments = [
+    ...comments.slice(0, index),
+    ...comments.slice(index + 1)
+    ];
+
+    console.log(newComments);
+
+
+
+
+  </script>
+</body>
+</html>
diff --git a/08 - Fun with HTML5 Canvas/index.html b/08 - Fun with HTML5 Canvas/index.html
new file mode 100644
index 0000000000..8b1d3379ad
--- /dev/null
+++ b/08 - Fun with HTML5 Canvas/index.html	
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>HTML5 Canvas</title>
+</head>
+<body>
+<canvas id="draw" width="800" height="800"></canvas>
+<script>
+
+const canvas = document.querySelector("#draw");
+//canvas is like mspaint.
+//You draw on something called the context, not the canvas element itself
+const ctx = canvas.getContext('2d');
+canvas.width = window.innerWidth;
+canvas.height = window.innerHeight;
+ctx.strokeStyle = "#BADA55";
+ctx.lineJoin = "round";
+ctx.lineCap = "round";
+ctx.lineWidth = 100;
+// ctx.globalCompositeOperation = 'multiply'; //like photoshop blend modes
+
+let isDrawing = false;
+let lastX = 0;
+let lastY = 0;
+let hue = 0;
+let direction = true;
+
+
+function draw(e) {
+  if(!isDrawing) return; //don't draw when not mousedown
+  console.log(e);
+  ctx.beginPath();
+  ctx.strokeStyle = `hsl(${hue}, 100%, 50%)`;
+  //start from
+  ctx.moveTo(lastX,lastY);
+  ctx.lineTo(e.offsetX, e.offsetY);
+  ctx.stroke();
+  [lastX, lastY] = [e.offsetX, e.offsetY]; //es6 trick?
+  hue++;
+
+  if (hue>=360) {
+    hue = 0;
+  }
+
+ if (ctx.lineWidth >= 100 || ctx.lineWidth <= 1) {
+  direction = !direction; //flip the direction
+ }
+
+  if(direction) {
+    ctx.lineWidth++;
+  } else {
+    ctx.lineWidth--;
+  }
+}
+
+
+
+canvas.addEventListener('mousedown', (e) => {
+  isDrawing = true; //A flag to be tested if ture or false. A common way of doing things
+  [lastX, lastY] = [e.offsetX, e.offsetY]; //update mouse position
+});
+
+canvas.addEventListener('mousemove', draw);
+canvas.addEventListener('mouseup', () => isDrawing = false);
+canvas.addEventListener('mouseout', () => isDrawing = false); //when the mouse leaves the screen
+
+</script>
+
+<style>
+  html, body {
+    margin:0;
+  }
+</style>
+
+</body>
+</html>
diff --git a/09 - Dev Tools Domination/index.html b/09 - Dev Tools Domination/index.html
new file mode 100644
index 0000000000..82ec6f2c5b
--- /dev/null
+++ b/09 - Dev Tools Domination/index.html	
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Console Tricks!</title>
+</head>
+<body>
+
+  <p onClick="makeGreen()">×BREAK×DOWN×</p>
+
+  <script>
+    const dogs = [{ name: 'Snickers', age: 2 }, { name: 'hugo', age: 8 }];
+
+    function makeGreen() {
+      const p = document.querySelector('p');
+      p.style.color = '#BADA55';
+      p.style.fontSize = '50px';
+    }
+
+    // Regular
+    console.log("hello");
+
+    // Interpolated
+    console.log('Hello I am a %s string!', 'poop');
+
+    // Styled
+    //console.log('%c I am some great text', 'font-size:50px; background: red;'); //use %c preceeding log, pass CSS style in as second argument
+
+    // warning!
+    console.warn('OH NO!');
+
+    // Error :|
+    console.error('Schizer!');
+
+    // Info
+    console.info('Crocodiles eat 3-4 butts per year');
+
+    // Testing
+    console.assert(1 === 2, "That is wrong!"); //console.error the second argument if the first is false
+
+    // clearing
+    console.clear(); //"if you really want to mess with a developer"
+
+    // Viewing DOM Elements
+    const p = document.querySelector("p");
+    console.log(p);
+    console.dir(p); //allows you to inspect the DOM element in full, e.g., available methods on the prorotype, properties, etc.
+
+    console.clear();
+
+    // Grouping together
+    dogs.forEach(dog => {
+      console.groupCollapsed(`${dog.name}`);
+      console.log(`This is ${dog.name}`);
+      console.log(`${dog.name} is ${dog.age} years old`);
+      console.log(`${dog.name} is ${dog.age * 7} human years old`);
+      console.groupEnd(`${dog.name}`);
+    })
+
+    // counting
+    console.count('Chuck');
+    console.count('Chuck');
+    console.count('Chuck');
+    console.count('Chuck');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Chuck');
+    console.count('Steve');
+
+    // timing
+    console.time('fetching data');
+    fetch('https://api.github.com/users/wesbos')
+      .then(data => data.json())
+      .then(data => {
+        console.timeEnd('fetching data');
+        console.log(data);
+      });
+
+    // tables
+    console.table(dogs);
+
+  </script>
+</body>
+</html>
diff --git a/10 - Hold Shift and Check Checkboxes/index.html b/10 - Hold Shift and Check Checkboxes/index.html
new file mode 100644
index 0000000000..27e32e926b
--- /dev/null
+++ b/10 - Hold Shift and Check Checkboxes/index.html	
@@ -0,0 +1,137 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Document</title>
+</head>
+<body>
+  <style>
+
+    html {
+      font-family: sans-serif;
+      background:#ffc600;
+    }
+
+    .inbox {
+      max-width:400px;
+      margin:50px auto;
+      background:white;
+      border-radius:5px;
+      box-shadow:10px 10px 0 rgba(0,0,0,0.1);
+    }
+
+    .item {
+      display:flex;
+      align-items:center;
+      border-bottom: 1px solid #F1F1F1;
+    }
+
+    .item:last-child {
+      border-bottom:0;
+    }
+
+
+    input:checked + p {
+      background:#F9F9F9;
+      text-decoration: line-through;
+    }
+
+    input[type="checkbox"] {
+      margin:20px;
+    }
+
+    p {
+      margin:0;
+      padding:20px;
+      transition:background 0.2s;
+      flex:1;
+      font-family:'helvetica neue';
+      font-size: 20px;
+      font-weight: 200;
+      border-left: 1px solid #D1E2FF;
+    }
+
+    .details {
+      text-align: center;
+      font-size: 15px;
+    }
+
+
+  </style>
+   <!--
+   The following is a common layout you would see in an email client.
+
+   When a user clicks a checkbox, holds Shift, and then clicks another checkbox a few rows down, all the checkboxes inbetween those two checkboxes should be checked.
+
+  -->
+  <div class="inbox">
+    <div class="item">
+      <input type="checkbox">
+      <p>This is an inbox layout.</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Check one item</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Hold down your Shift key</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Check a lower item</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Everything inbetween should also be set to checked</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Try do it with out any libraries</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Just regular JavaScript</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Good Luck!</p>
+    </div>
+    <div class="item">
+      <input type="checkbox">
+      <p>Don't forget to tweet your result!</p>
+    </div>
+  </div>
+
+<script>
+const checkboxes = document.querySelectorAll('.inbox input[type="checkbox"]');
+
+let lastChecked;
+
+function handleCheck(e) {
+  // check if user pressed shift AND and if user is checking something, not unchecking it
+  let inBetween = false;
+  if(e.shiftKey && this.checked) {
+    //loop over each checkbox
+    checkboxes.forEach(checkbox => {
+      console.log(checkbox);
+      if(checkbox === this || checkbox === lastChecked) { //if the user just clicked on it or it was the one they clicked on just prior
+        inBetween = !inBetween; //flag variable gets switched switched
+        console.log('Boundary');
+      }
+
+      if (inBetween) {
+        checkbox.check = true; // so long as inBetween is true, check the checkbox being looped over by the forEach method, inclusive since the flag got changed prior to this step
+      }
+  });
+}
+
+  lastChecked = this; // whatever the user clicked on last, since it runs after everything else
+}
+
+checkboxes.forEach(checkbox => checkbox.addEventListener('click', handleCheck));
+
+
+</script>
+</body>
+</html>
diff --git a/11 - Custom Video Player/scripts-START.js b/11 - Custom Video Player/scripts-START.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/11 - Custom Video Player/scripts.js b/11 - Custom Video Player/scripts.js
index e69de29bb2..aa95032c7b 100644
--- a/11 - Custom Video Player/scripts.js	
+++ b/11 - Custom Video Player/scripts.js	
@@ -0,0 +1,59 @@
+// Get our elements
+const player = document.querySelector('.player');
+const video = player.querySelector('.viewer');
+const progress = player.querySelector('.progress');
+const progressBar = player.querySelector('.progress__filled');
+const toggle = player.querySelector('.toggle');
+const skipButtons = player.querySelectorAll('[data-skip]');
+const ranges = player.querySelectorAll('.player__slider');
+
+//Build functions
+
+function togglePlay () {
+  const method  = video.paused ? 'play' : 'pause';
+  video[method]();
+}
+
+function updateButton() {
+  const icon = this.paused ? '►' : '❚❚';
+  toggle.textContent = icon;
+}
+
+function skip() {
+  console.log(this.dataset.skip)
+  video.currentTime += Number(this.dataset.skip);
+}
+
+function handleRangeUpdate() {
+  video[this.name] = this.value;
+}
+
+function handleProgress() {
+  const percent = (video.currentTime/video.duration) * 100;
+  progressBar.style.flexBasis = `${percent}%`;
+}
+
+function scrub(e) {
+  const scrubTime = (e.offsetX / progress.offsetWidth) * video.duration;
+  video.currentTime = scrubTime;
+}
+
+
+//Hook up events listeners
+
+video.addEventListener('click', togglePlay);
+video.addEventListener('play', updateButton);
+video.addEventListener('pause', updateButton);
+video.addEventListener('timeupdate', handleProgress);
+
+toggle.addEventListener('click', togglePlay);
+
+skipButtons.forEach(button => button.addEventListener('click', skip));
+ranges.forEach(range => range.addEventListener('change',handleRangeUpdate));
+ranges.forEach(range => range.addEventListener('mousemove',handleRangeUpdate));
+
+let mousedown = false;
+progress.addEventListener('click', scrub);
+progress.addEventListener('mousemove', (e) => mousedown && scrub(e)); // take advantage of short circuiting logic
+progress.addEventListener('mousedown', () => mousedown = true);
+progress.addEventListener('mouseup', () => mousedown = false);
\ No newline at end of file
diff --git a/11 - Custom Video Player/style.css b/11 - Custom Video Player/style.css
index c07581c1c0..b6253af905 100644
--- a/11 - Custom Video Player/style.css	
+++ b/11 - Custom Video Player/style.css	
@@ -89,7 +89,7 @@ body {
   width:50%;
   background:#ffc600;
   flex:0;
-  flex-basis:50%;
+  flex-basis:0%;
 }
 
 /* unholy css to style input type="range" */
diff --git a/12 - Key Sequence Detection/index.html b/12 - Key Sequence Detection/index.html
new file mode 100644
index 0000000000..3018ce047d
--- /dev/null
+++ b/12 - Key Sequence Detection/index.html	
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Key Detection</title>
+  <script type="text/javascript" src="http://www.cornify.com/js/cornify.js"></script>
+</head>
+<body>
+<script>
+
+const pressed = [];
+const secretCode = ('chuckisdabomb');
+window.addEventListener('keyup', (e) => {
+  console.log(e.key);
+  pressed.push(e.key);
+  pressed.splice(-secretCode.length - 1, pressed.length - secretCode.length);
+  if(pressed.join('').includes(secretCode)) {
+    console.log('Congrats bro!');
+    cornify_add();
+  }
+  console.log(pressed);
+})
+</script>
+</body>
+</html>
diff --git a/13 - Slide in on Scroll/index-START.html b/13 - Slide in on Scroll/index-START.html
index 12591bad30..ea5c0389fb 100644
--- a/13 - Slide in on Scroll/index-START.html	
+++ b/13 - Slide in on Scroll/index-START.html	
@@ -56,27 +56,7 @@ <h1>Slide in on Scroll</h1>
         timeout = setTimeout(later, wait);
         if (callNow) func.apply(context, args);
       };
-    }
-
-    const sliderImages = document.querySelectorAll('.slide-in');
-
-    function checkSlide(e) {
-      sliderImages.forEach(sliderImage => {
-        // half way through the image
-        const slideInAt = (window.scrollY + window.innerHeight) - sliderImage.height / 2;
-        // bottom of the image
-        const imageBottom = sliderImage.offsetTop + sliderImage.height;
-        const isHalfShown = slideInAt > sliderImage.offsetTop;
-        const isNotScrolledPast = window.scrollY < imageBottom;
-        if (isHalfShown && isNotScrolledPast) {
-          sliderImage.classList.add('active');
-        } else {
-          sliderImage.classList.remove('active');
-        }
-      });
-    }
-
-    window.addEventListener('scroll', debounce(checkSlide));
+    };
 
   </script>
 
diff --git a/13 - Slide in on Scroll/index.html b/13 - Slide in on Scroll/index.html
new file mode 100644
index 0000000000..d1c2ab2655
--- /dev/null
+++ b/13 - Slide in on Scroll/index.html	
@@ -0,0 +1,140 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Document</title>
+</head>
+<body>
+
+  <div class="site-wrap">
+
+    <h1>Slide in on Scroll</h1>
+
+    <p>Consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariaturlores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Adipisicing elit. Tempore tempora rerum..</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+
+    <img src="http://unsplash.it/400/400" class="align-left slide-in">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptates, deserunt facilis et iste corrupti omnis tenetur est. Iste ut est dicta dolor itaque adipisci, dolorum minima, veritatis earum provident error molestias. Ratione magni illo sint vel velit ut excepturi consectetur suscipit, earum modi accusamus voluptatem nostrum, praesentium numquam, reiciendis voluptas sit id quisquam. Consequatur in quis reprehenderit modi perspiciatis necessitatibus saepe, quidem, suscipit iure natus dignissimos ipsam, eligendi deleniti accusantium, rerum quibusdam fugit perferendis et optio recusandae sed ratione. Culpa, dolorum reprehenderit harum ab voluptas fuga, nisi eligendi natus maiores illum quas quos et aperiam aut doloremque optio maxime fugiat doloribus. Eum dolorum expedita quam, nesciunt</p>
+
+    <img src="http://unsplash.it/400/401" class="align-right slide-in">
+
+    <p> at provident praesentium atque quas rerum optio dignissimos repudiandae ullam illum quibusdam. Vel ad error quibusdam, illo ex totam placeat. Quos excepturi fuga, molestiae ea quisquam minus, ratione dicta consectetur officia omnis, doloribus voluptatibus? Veniam ipsum veritatis architecto, provident quas consequatur doloremque quam quidem earum expedita, ad delectus voluptatum, omnis praesentium nostrum qui aspernatur ea eaque adipisci et cumque ab? Ea voluptatum dolore itaque odio. Eius minima distinctio harum, officia ab nihil exercitationem. Tempora rem nemo nam temporibus molestias facilis minus ipsam quam doloribus consequatur debitis nesciunt tempore officiis aperiam quisquam, molestiae voluptates cum, fuga culpa. Distinctio accusamus quibusdam, tempore perspiciatis dolorum optio facere consequatur quidem ullam beatae architecto, ipsam sequi officiis dignissimos amet impedit natus necessitatibus tenetur repellendus dolor rem! Dicta dolorem, iure, facilis illo ex nihil ipsa amet officia, optio temporibus eum autem odit repellendus nisi. Possimus modi, corrupti error debitis doloribus dicta libero earum, sequi porro ut excepturi nostrum ea voluptatem nihil culpa? Ullam expedita eligendi obcaecati reiciendis velit provident omnis quas qui in corrupti est dolore facere ad hic, animi soluta assumenda consequuntur reprehenderit! Voluptate dolor nihil veniam laborum voluptas nisi pariatur sed optio accusantium quam consectetur, corrupti, sequi et consequuntur, excepturi doloremque. Tempore quis velit corporis neque fugit non sequi eaque rem hic. Facere, inventore, aspernatur. Accusantium modi atque, asperiores qui nobis soluta cumque suscipit excepturi possimus doloremque odit saepe perferendis temporibus molestiae nostrum voluptatum quis id sint quidem nesciunt culpa. Rerum labore dolor beatae blanditiis praesentium explicabo velit optio esse aperiam similique, voluptatem cum, maiores ipsa tempore. Reiciendis sed culpa atque inventore, nam ullam enim expedita consectetur id velit iusto alias vitae explicabo nemo neque odio reprehenderit soluta sint eaque. Aperiam, qui ut tenetur, voluptate doloremque officiis dicta quaerat voluptatem rerum natus magni. Eum amet autem dolor ullam.</p>
+
+    <img src="http://unsplash.it/200/500" class="align-left slide-in">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet <img src="http://unsplash.it/200/200" class="align-right slide-in"> temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis</p>
+
+
+    <p>laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+
+    <img src="http://unsplash.it/400/400" class="align-right slide-in">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+
+
+
+
+  </div>
+
+  <script>
+    function debounce(func, wait = 20, immediate = true) {
+      var timeout;
+      return function() {
+        var context = this, args = arguments;
+        var later = function() {
+          timeout = null;
+          if (!immediate) func.apply(context, args);
+        };
+        var callNow = immediate && !timeout;
+        clearTimeout(timeout);
+        timeout = setTimeout(later, wait);
+        if (callNow) func.apply(context, args);
+      };
+    };
+
+    //this function ensures another dunction is only run so often. Available elsewhere or within frameworks
+
+    const sliderImages = document.querySelectorAll('.slide-in');
+
+    function checkSlide(e) {
+      sliderImages.forEach(sliderImage => {
+        const slideInAt = (window.scrollY + window.innerHeight) - (sliderImage.height * 0.5) //the bottom of the window minus half the height of the image;
+        const imageBottom = sliderImage.offsetTop + sliderImage.height; // bottom of the image
+        const isHalfShown = slideInAt > sliderImage.offsetTop;
+        const isNotScrolledPast = window.scrollY < imageBottom;
+        if (isHalfShown && isNotScrolledPast) {
+          sliderImage.classList.add('active');
+        } else {
+          sliderImage.classList.remove('active');
+        }
+      });
+    }
+
+    window.addEventListener('scroll',debounce(checkSlide));
+
+  </script>
+
+  <style>
+    html {
+      box-sizing: border-box;
+      background:#ffc600;
+      font-family:'helvetica neue';
+      font-size: 20px;
+      font-weight: 200;
+    }
+    body {
+      margin: 0;
+    }
+    *, *:before, *:after {
+      box-sizing: inherit;
+    }
+
+    h1 {
+      margin-top: 0;
+    }
+
+    .site-wrap {
+      max-width: 700px;
+      margin: 100px auto;
+      background:white;
+      padding:40px;
+      text-align: justify;
+    }
+
+    .align-left {
+      float:left;
+      margin-right:20px;
+    }
+
+    .align-right {
+      float:right;
+      margin-left:20px;
+    }
+
+    .slide-in {
+      opacity:0;
+      transition:all .5s;
+    }
+
+    .align-left.slide-in {
+      transform:translateX(-30%) scale(0.95);
+    }
+    .align-right.slide-in {
+      transform:translateX(30%) scale(0.95);
+    }
+
+    .slide-in.active {
+      opacity:1;
+      transform:translateX(0%) scale(1);
+    }
+
+  </style>
+
+</body>
+</html>
diff --git a/14 - JavaScript References VS Copying/index.html b/14 - JavaScript References VS Copying/index.html
new file mode 100644
index 0000000000..85df704224
--- /dev/null
+++ b/14 - JavaScript References VS Copying/index.html	
@@ -0,0 +1,101 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>JS Reference VS Copy</title>
+</head>
+<body>
+
+  <script>
+    // start with strings, numbers and booleans
+        // let age = 100;
+        // age2 = age;
+        // console.log(age,age2); // [100, 100]
+        // age = 200;
+        // console.log(age,age2); // [200, 100]
+        // let name = 'Chuck';
+        // let name2 = name;
+        // console.log(name,name2); // ['Chuck','Chuck']
+        // name = 'Charles' // ['Charles, 'Chuck']
+
+    // Let's say we have an Arrays
+    const players = ['Wes', 'Sarah', 'Ryan', 'Poppy'];
+
+    // and we want to make a "copy" of it, as done with booleans, strings and values
+    const team = players;
+    console.log(players,team);
+
+    // You might think we can just do something like this:
+    team[3] = 'Dood';
+
+    // however what happens when we update that array?
+    // the original array 'players' also gets updated. That's not the same as the behaviour as nubers, strings, and booleans
+
+    // now here is the problem!
+
+    // oh no - we have edited the original array too!
+
+    // Why? It's because that is an array reference, not an array copy. They both point to the same array!
+
+    // So, how do we fix this? We take a copy instead!
+    const team2 = players.slice(); // slice with no arguments copies the array
+
+    // one day
+
+    // or create a new array and concat the old one in
+    const team3 = [].concat(players)
+
+    // or use the new ES6 Spread
+    const team4 = [...players];
+
+    //or use array.from() method, probably the one that makes the most syntactic sense
+    const team5 = Array.from(players);
+
+    // now when we update it, the original one isn't changed
+
+    // The same thing goes for objects, let's say we have a person object
+
+    // with Objects
+    const person = {
+        name: ' Chuck Kosman',
+        age: 25
+    };
+
+    // and think we make a copy:
+    //const captain = person;
+    //theMan.number = 91; // person also gets updated
+
+    // how do we take a copy instead?
+    const theMan2 = Object.assign({}, person, {number: 91});
+    //Object.assign uses 1st argument as the destination, fold in properties of the object in the second argument, add or edit properties as the third argument
+    console.log(theMan2);
+
+    // We will hopefully soon see the object ...spread
+    //const cap3 = {...person} //react does this at the moment
+
+    // Things to note - this is only 1 level deep - both for Arrays and Objects. lodash has a cloneDeep method, but you should think twice before using it.
+
+
+    const chuck = {
+        name: 'Chuck',
+        age: 25,
+        social: {
+            facebook: 'cwkosman',
+            twitter: '@cwkosman'
+        }
+    }
+    console.clear();
+    console.log(chuck);
+
+    const novice = Object.assign({}, chuck);
+    // You will NOT be able to update object novice's sub-properties of property social without updating the original object.
+
+    //The poor man's cloneDeep: not necessarily recommended:
+
+    const novice2 = JSON.parse(JSON.stringify(chuck));
+    //turn an object into a string, immediately turn back into an object, shakes all references in the process
+
+  </script>
+
+</body>
+</html>
diff --git a/15 - LocalStorage/index-START.html b/15 - LocalStorage/index-START.html
index d444f1d68b..2578206388 100644
--- a/15 - LocalStorage/index-START.html	
+++ b/15 - LocalStorage/index-START.html	
@@ -26,9 +26,6 @@ <h2>LOCAL TAPAS</h2>
   </div>
 
 <script>
-  const addItems = document.querySelector('.add-items');
-  const itemsList = document.querySelector('.plates');
-  const items = [];
 
 </script>
 
diff --git a/15 - LocalStorage/index.html b/15 - LocalStorage/index.html
new file mode 100644
index 0000000000..50c83cd742
--- /dev/null
+++ b/15 - LocalStorage/index.html	
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>LocalStorage</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+  <!--
+      Fish SVG Cred:
+      https://thenounproject.com/search/?q=fish&i=589236
+   -->
+
+   <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve"><g><path d="M495.9,425.3H16.1c-5.2,0-10.1,2.9-12.5,7.6c-2.4,4.7-2.1,10.3,0.9,14.6l39,56.4c2.6,3.8,7,6.1,11.6,6.1h401.7   c4.6,0,9-2.3,11.6-6.1l39-56.4c3-4.3,3.3-9.9,0.9-14.6C506,428.2,501.1,425.3,495.9,425.3z M449.4,481.8H62.6L43,453.6H469   L449.4,481.8z"/><path d="M158.3,122c7.8,0,14.1-6.3,14.1-14.1V43.4c0-7.8-6.3-14.1-14.1-14.1c-7.8,0-14.1,6.3-14.1,14.1v64.5   C144.2,115.7,150.5,122,158.3,122z"/><path d="M245.1,94.7c7.8,0,14.1-6.3,14.1-14.1V16.1c0-7.8-6.3-14.1-14.1-14.1C237.3,2,231,8.3,231,16.1v64.5   C231,88.4,237.3,94.7,245.1,94.7z"/><path d="M331.9,122c7.8,0,14.1-6.3,14.1-14.1V43.4c0-7.8-6.3-14.1-14.1-14.1s-14.1,6.3-14.1,14.1v64.5   C317.8,115.7,324.1,122,331.9,122z"/><path d="M9.6,385.2c5.3,2.8,11.8,1.9,16.2-2.2l50.6-47.7c56.7,46.5,126.6,71.9,198.3,71.9c0,0,0,0,0,0   c87.5,0,169.7-36.6,231.4-103.2c5-5.4,5-13.8,0-19.2c-61.8-66.5-144-103.2-231.4-103.2c-72,0-142.2,25.6-199,72.5l-50-47.1   c-4.4-4.1-10.9-5-16.2-2.2c-5.3,2.8-8.3,8.7-7.4,14.6l11.6,75L2.2,370.6C1.3,376.5,4.2,382.4,9.6,385.2z M380.9,230.8   c34.9,14.3,67.2,35.7,95.3,63.6c-10.1,10-20.8,19.2-31.9,27.5c-22.4-3.3-29.6-8.8-30.7-9.7c-4-5.7-11.8-7.7-18.1-4.4   c-6.9,3.6-9.5,12.2-5.9,19.1c1.9,3.5,7.3,10.3,22.4,16c-10.1,5.7-20.5,10.7-31.1,15.1C352.4,320.2,352.4,268.6,380.9,230.8z    M36.3,255.6l29.4,27.7c5.3,5,13.6,5.1,19.1,0.3c53.2-47.6,120.7-73.7,190-73.7c26.9,0,53.2,3.9,78.5,11.3   c-29.3,44.6-29.3,102,0,146.6c-25.3,7.4-51.6,11.3-78.5,11.3c-69,0-136.3-26-189.4-73.2c-2.7-2.4-13.4-6.3-19.1,0.3l-30.1,28.3   l5.7-40C42.2,293,36.3,255.6,36.3,255.6z"/><circle cx="398.8" cy="273.8" r="14.1"/></g></svg>
+
+  <div class="wrapper">
+    <h2>LOCAL TAPAS</h2>
+    <p></p>
+    <ul class="plates">
+      <li>Loading Tapas...</li>
+    </ul>
+    <form class="add-items">
+      <input type="text" name="item" placeholder="Item Name" required>
+      <input type="submit" value="+ Add Item">
+    </form>
+  </div>
+
+<script>
+  const addItems = document.querySelector('.add-items');
+  const itemsList = document.querySelector('.plates');
+  const items = JSON.parse(localStorage.getItem('items')) || [];
+
+  function addItem(e) {
+    e.preventDefault(); // prevent the page from reloading on submit, the default behaviour for submitting to a form
+    const text = (this.querySelector('[name=item]')).value;
+    const item = {
+      text: text,
+      done: false
+    }
+
+    items.push(item);
+    populateList(items,itemsList)
+    localStorage.setItem('items', JSON.stringify(items));
+    this.reset(); // form elements have a reset method to clear thier contents
+
+  }
+
+//This function is going to repopulate the list each time. React or Angular will help to figure out what the minimu required change is
+  function populateList(plates = [], platesList) {
+    platesList.innerHTML = plates.map((plate, i) => {
+      return `
+      <li>
+        <input type="checkbox" data-index=${i} id="item${i}" ${plate.done ? 'checked' : ''}/>
+        <label for="item${i}">${plate.text}</label>
+      </li>
+      `; // use the same ID and for to link them up
+    }).join('');
+  }
+
+  function toggleDone(e) {
+    if (!e.target.matches('input')) return; //skip unless an input
+    const el = e.target;
+    const index = el.dataset.index; //why the index was stored as a data- attribute
+    items[index].done = !items[index].done;
+    localStorage.setItem('items', JSON.stringify(items));
+    populateList(items, itemsList);
+  };
+
+  addItems.addEventListener('submit', addItem);
+  itemsList.addEventListener('click', toggleDone); //event is delegated to the items list, rather than attached an event handler to the list items. The list items are going to change all the time, and the addEventListener is only going to fire once.
+
+  populateList(items, itemsList);
+
+</script>
+
+
+</body>
+</html>
+
diff --git a/16 - Mouse Move Shadow/index.html b/16 - Mouse Move Shadow/index.html
new file mode 100644
index 0000000000..93c0b42e42
--- /dev/null
+++ b/16 - Mouse Move Shadow/index.html	
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Mouse Shadow</title>
+</head>
+<body>
+
+  <div class="hero">
+    <h1 contenteditable>🔥WOAH!</h1>
+  </div>
+
+  <style>
+  html {
+    color:black;
+    font-family: sans-serif;
+  }
+
+  .hero {
+    min-height: 100vh;
+    display:flex;
+    justify-content: center;
+    align-items: center;
+    color:black;
+  }
+
+  h1 {
+    text-shadow: 10px 10px 0 rgba(0,0,0,1);
+    font-size: 100px;
+  }
+  </style>
+
+<script>
+const hero = document.querySelector('.hero');
+const text = hero.querySelector('h1');
+
+function shadow(e) {
+  const width = hero.offsetWidth;
+  const height = hero.offsetHeight;
+  let x = e.offsetX;
+  let y = e.offsetY;
+  const walk = 500; //px
+
+//The following is to fix child elements returning their own coords, despite not having an their own event listener
+if(this !== e.target) {
+  x = x + e.target.offsetLeft;
+  y = y + e.targetoffsetTop;
+}
+
+const xWalk = Math.round((x/width * walk) - (walk/2)); //corrects walk to pixel offset value
+const yWalk = Math.round((y/width * walk) - (walk/2));
+console.log(xWalk,yWalk);
+
+text.style.textShadow = `
+${xWalk}px ${yWalk}px 0 red,
+${xWalk * -1}px ${yWalk}px 0 yellow,
+${xWalk}px ${yWalk * -1}px 0 green,
+${xWalk * -1}px ${yWalk * -1}px 0 blue
+`
+}
+
+hero.addEventListener('mousemove',shadow)
+
+
+</script>
+</body>
+</html>
diff --git a/17 - Sort Without Articles/index.html b/17 - Sort Without Articles/index.html
new file mode 100644
index 0000000000..ab56207aed
--- /dev/null
+++ b/17 - Sort Without Articles/index.html	
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Sort Without Articles</title>
+</head>
+<body>
+
+  <style>
+    body {
+      font-family: sans-serif;
+      background: url("https://source.unsplash.com/nDqA4d5NL0k/2000x2000");
+      background-size: cover;
+      display: flex;
+      align-items: center;
+      min-height: 100vh;
+    }
+
+    #bands {
+      list-style: inside square;
+      font-size: 20px;
+      background: white;
+      width: 500px;
+      margin: auto;
+      padding: 0;
+      box-shadow: 0 0 0 20px rgba(0, 0, 0, 0.05);
+    }
+    #bands li {
+      border-bottom: 1px solid #efefef;
+      padding: 20px;
+    }
+    #bands li:last-child {
+      border-bottom: 0;
+    }
+
+    a {
+      color: #ffc600;
+      text-decoration: none;
+    }
+
+  </style>
+
+  <ul id="bands"></ul>
+
+<script>
+const bands = ['The Plot in You', 'The Devil Wears Prada', 'Pierce the Veil', 'Norma Jean', 'The Bled', 'Say Anything', 'The Midway State', 'We Came as Romans', 'Counterparts', 'Oh, Sleeper', 'A Skylit Drive', 'Anywhere But Here', 'An Old Dog'];
+
+function strip(bandName) {
+  return bandName.replace(/^(a |the |an )/i, '').trim();
+}
+
+const sortedBandList = bands.sort((a,b) => strip(a) > strip(b) ? 1 : -1);
+
+document.querySelector('#bands').innerHTML = sortedBandList.map(name => `<li>${name}</li>`).join('');
+
+</script>
+
+</body>
+</html>
diff --git a/18 - Adding Up Times with Reduce/index.html b/18 - Adding Up Times with Reduce/index.html
new file mode 100644
index 0000000000..06fb4ff0b5
--- /dev/null
+++ b/18 - Adding Up Times with Reduce/index.html	
@@ -0,0 +1,207 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Videos</title>
+</head>
+<body>
+  <ul class="videos">
+    <li data-time="5:43">
+      Video 1
+    </li>
+    <li data-time="2:33">
+      Video 2
+    </li>
+    <li data-time="3:45">
+      Video 3
+    </li>
+    <li data-time="0:47">
+      Video 4
+    </li>
+    <li data-time="5:21">
+      Video 5
+    </li>
+    <li data-time="6:56">
+      Video 6
+    </li>
+    <li data-time="3:46">
+      Video 7
+    </li>
+    <li data-time="5:25">
+      Video 8
+    </li>
+    <li data-time="3:14">
+      Video 9
+    </li>
+    <li data-time="3:31">
+      Video 10
+    </li>
+    <li data-time="5:59">
+      Video 11
+    </li>
+    <li data-time="3:07">
+      Video 12
+    </li>
+    <li data-time="11:29">
+      Video 13
+    </li>
+    <li data-time="8:57">
+      Video 14
+    </li>
+    <li data-time="5:49">
+      Video 15
+    </li>
+    <li data-time="5:52">
+      Video 16
+    </li>
+    <li data-time="5:50">
+      Video 17
+    </li>
+    <li data-time="9:13">
+      Video 18
+    </li>
+    <li data-time="11:51">
+      Video 19
+    </li>
+    <li data-time="7:58">
+      Video 20
+    </li>
+    <li data-time="4:40">
+      Video 21
+    </li>
+    <li data-time="4:45">
+      Video 22
+    </li>
+    <li data-time="6:46">
+      Video 23
+    </li>
+    <li data-time="7:24">
+      Video 24
+    </li>
+    <li data-time="7:12">
+      Video 25
+    </li>
+    <li data-time="5:23">
+      Video 26
+    </li>
+    <li data-time="3:34">
+      Video 27
+    </li>
+    <li data-time="8:22">
+      Video 28
+    </li>
+    <li data-time="5:17">
+      Video 29
+    </li>
+    <li data-time="3:10">
+      Video 30
+    </li>
+    <li data-time="4:43">
+      Video 31
+    </li>
+    <li data-time="19:43">
+      Video 32
+    </li>
+    <li data-time="0:47">
+      Video 33
+    </li>
+    <li data-time="0:47">
+      Video 34
+    </li>
+    <li data-time="3:14">
+      Video 35
+    </li>
+    <li data-time="3:59">
+      Video 36
+    </li>
+    <li data-time="2:43">
+      Video 37
+    </li>
+    <li data-time="4:17">
+      Video 38
+    </li>
+    <li data-time="6:56">
+      Video 39
+    </li>
+    <li data-time="3:05">
+      Video 40
+    </li>
+    <li data-time="2:06">
+      Video 41
+    </li>
+    <li data-time="1:59">
+      Video 42
+    </li>
+    <li data-time="1:49">
+      Video 43
+    </li>
+    <li data-time="3:36">
+      Video 44
+    </li>
+    <li data-time="7:10">
+      Video 45
+    </li>
+    <li data-time="3:44">
+      Video 46
+    </li>
+    <li data-time="3:44">
+      Video 47
+    </li>
+    <li data-time="4:36">
+      Video 48
+    </li>
+    <li data-time="3:16">
+      Video 49
+    </li>
+    <li data-time="1:10">
+      Video 50
+    </li>
+    <li data-time="6:10">
+      Video 51
+    </li>
+    <li data-time="2:14">
+      Video 52
+    </li>
+    <li data-time="3:44">
+      Video 53
+    </li>
+    <li data-time="5:05">
+      Video 54
+    </li>
+    <li data-time="6:03">
+      Video 55
+    </li>
+    <li data-time="12:39">
+      Video 56
+    </li>
+    <li data-time="1:56">
+      Video 57
+    </li>
+    <li data-time="4:04">
+      Video 58
+    </li>
+
+<script>
+
+const timeNodes = Array.from(document.querySelectorAll('[data-time]'));
+
+const seconds = timeNodes
+  .map(node => node.dataset.time)
+  .map(timeCode => {
+    const [mins, secs] = timeCode.split(':').map(parseFloat); // ES6 destructuring
+    return (mins * 60) + secs;
+  })
+  .reduce((total, seconds) => total + seconds);
+
+  let secondsLeft = seconds;
+  const hours = Math.floor(secondsLeft/3600);
+  secondsLeft = secondsLeft % 3600;
+  const mins = Math.floor(secondsLeft/60);
+  secondsLeft = secondsLeft % 60;
+
+  console.log(hours,mins,secondsLeft);
+
+
+</script>
+</body>
+</html>
diff --git a/19 - Webcam Fun/index.html b/19 - Webcam Fun/index.html
index d4ffc4dc2a..a2c66ca55a 100755
--- a/19 - Webcam Fun/index.html	
+++ b/19 - Webcam Fun/index.html	
@@ -10,7 +10,7 @@
   <div class="photobooth">
     <div class="controls">
       <button onClick="takePhoto()">Take Photo</button>
-<!--       <div class="rgb">
+       <div class="rgb">
         <label for="rmin">Red Min:</label>
         <input type="range" min=0 max=255 name="rmin">
         <label for="rmax">Red Max:</label>
@@ -29,7 +29,7 @@
         <input type="range" min=0 max=255 name="bmin">
         <label for="bmax">Blue Max:</label>
         <input type="range" min=0 max=255 name="bmax">
-      </div> -->
+      </div>
     </div>
 
     <canvas class="photo"></canvas>
diff --git a/19 - Webcam Fun/scripts-START.js b/19 - Webcam Fun/scripts-START.js
new file mode 100644
index 0000000000..00355f5a9c
--- /dev/null
+++ b/19 - Webcam Fun/scripts-START.js	
@@ -0,0 +1,5 @@
+const video = document.querySelector('.player');
+const canvas = document.querySelector('.photo');
+const ctx = canvas.getContext('2d');
+const strip = document.querySelector('.strip');
+const snap = document.querySelector('.snap');
diff --git a/19 - Webcam Fun/scripts.js b/19 - Webcam Fun/scripts.js
index 00355f5a9c..9c024681ea 100644
--- a/19 - Webcam Fun/scripts.js	
+++ b/19 - Webcam Fun/scripts.js	
@@ -3,3 +3,98 @@ const canvas = document.querySelector('.photo');
 const ctx = canvas.getContext('2d');
 const strip = document.querySelector('.strip');
 const snap = document.querySelector('.snap');
+
+function getVideo() {
+  navigator.mediaDevices.getUserMedia({video:true, audio:false})
+    .then(localMediaStream => {
+      console.log(localMediaStream);
+      video.src = window.URL.createObjectURL(localMediaStream);
+      video.play();
+    })
+    .catch(err => {
+      console.error(`OH NOO!`, err);
+    });
+  }
+
+function paintToCanvas() {
+  const width = video.videoWidth;
+  const height = video.videoHeight;
+  canvas.width = width;
+  canvas.height = height;
+
+  return setInterval(() => {
+    ctx.drawImage(video, 0, 0, width, height);
+    //take the pixels out
+    let pixels = ctx.getImageData(0,0,width,height); //enormous array, structured as R - G - B - alpha
+    //apply filter(s)
+    //pixels = redEffect(pixels);
+    //pixels = rgbSplit(pixels);
+    //ctx.globalAlpha = 0.1;
+    pixels = greenScreen(pixels);
+    //put pixels back
+    ctx.putImageData(pixels, 0, 0);
+  }, 16);
+}
+
+function takePhoto() {
+  //play the shutter sound
+  snap.currentTime = 0;
+  snap.play();
+
+  //take data out of canavs
+  const data = canvas.toDataURL('image/jpeg');
+  const link = document.createElement('a');
+  link.href = data;
+  link.setAttribute('download', 'handsome');
+  link.innerHTML = `<img src="${data}" alt="BADA55" />`;
+  strip.insertBefore(link, strip.firstChild);
+}
+
+function redEffect(pixels) {
+  for (let i=0; i < pixels.data.length; i += 4) {
+    pixels.data[i + 0] = pixels.data[i + 0] + 100; //red
+    pixels.data[i + 1] = pixels.data[i + 1] - 50;  //green
+    pixels.data[i + 2] = pixels.data[i + 2] * 0.5; //blue
+  }
+  return pixels;
+}
+
+function rgbSplit(pixels) {
+  for (let i=0; i < pixels.data.length; i += 4) {
+    pixels.data[i - 150] = pixels.data[i + 0]; //red
+    pixels.data[i + 800] = pixels.data[i + 1]; //green
+    pixels.data[i - 800] = pixels.data[i + 2]; //blue
+  }
+  return pixels;
+}
+
+function greenScreen(pixels) {
+  const levels = {};
+
+  document.querySelectorAll('.rgb input').forEach((input) => {
+    levels[input.name] = input.value;
+  });
+
+  for (i = 0; i < pixels.data.length; i = i + 4) {
+    red = pixels.data[i + 0];
+    green = pixels.data[i + 1];
+    blue = pixels.data[i + 2];
+    alpha = pixels.data[i + 3];
+
+    if (red >= levels.rmin
+      && green >= levels.gmin
+      && blue >= levels.bmin
+      && red <= levels.rmax
+      && green <= levels.gmax
+      && blue <= levels.bmax) {
+      // take it out!
+      pixels.data[i + 3] = 0;
+    }
+  }
+
+  return pixels;
+}
+
+  getVideo();
+
+  video.addEventListener('canplay', paintToCanvas);
\ No newline at end of file
diff --git a/20 - Speech Detection/index.html b/20 - Speech Detection/index.html
new file mode 100644
index 0000000000..b320dea2d6
--- /dev/null
+++ b/20 - Speech Detection/index.html	
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Speech Detection</title>
+</head>
+<body>
+
+  <div class="words" contenteditable>
+  </div>
+
+<script>
+  window.SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
+
+  const recognition = new SpeechRecognition();
+  recognition.interimResults = true;
+
+  let p = document.createElement('p');
+  const words = document.querySelector('.words');
+  words.appendChild(p);
+
+  recognition.addEventListener('result', e => {
+    const transcript = Array.from(e.results)
+      .map(result => result[0])
+      .map(result => result.transcript)
+      .join('')
+
+      p.textContent = transcript;
+      if(e.results[0].isFinal) {
+        p = document.createElement('p');
+        words.appendChild(p);
+       }
+    console.log(transcript);
+  });
+
+  recognition.addEventListener('end', recognition.start)
+
+  recognition.start();
+
+</script>
+
+
+  <style>
+    html {
+      font-size: 10px;
+    }
+
+    body {
+      background:#ffc600;
+      font-family: 'helvetica neue';
+      font-weight: 200;
+      font-size: 20px;
+    }
+
+    .words {
+      max-width:500px;
+      margin:50px auto;
+      background:white;
+      border-radius:5px;
+      box-shadow:10px 10px 0 rgba(0,0,0,0.1);
+      padding:1rem 2rem 1rem 5rem;
+      background: -webkit-gradient(linear, 0 0, 0 100%, from(#d9eaf3), color-stop(4%, #fff)) 0 4px;
+      background-size: 100% 3rem;
+      position: relative;
+      line-height:3rem;
+    }
+    p {
+      margin: 0 0 3rem 0;
+    }
+
+    .words:before {
+      content: '';
+      position: absolute;
+      width: 4px;
+      top: 0;
+      left: 30px;
+      bottom: 0;
+      border: 1px solid;
+      border-color: transparent #efe4e4;
+    }
+  </style>
+
+</body>
+</html>
diff --git a/21 - Geolocation/index-START.html b/21 - Geolocation/index-START.html
index d794c144ba..858277ab0d 100644
--- a/21 - Geolocation/index-START.html	
+++ b/21 - Geolocation/index-START.html	
@@ -57,17 +57,6 @@ <h1 class="speed">
     /*Compass: https://thenounproject.com/search/?q=compass&i=592352*/
   </style>
   <script>
-    const arrow = document.querySelector('.arrow');
-    const speed = document.querySelector('.speed-value');
-
-    navigator.geolocation.watchPosition((data) => {
-      console.log(data);
-      speed.textContent = data.coords.speed;
-      arrow.style.transform = `rotate(${data.coords.heading}deg)`;
-    }, (err) => {
-      console.err(err);
-      alert('HEY! YOU GOTTA ALLOW THAT TO HAPPEN!!!');
-    });
 
   </script>
 </body>
diff --git a/21 - Geolocation/index.html b/21 - Geolocation/index.html
new file mode 100644
index 0000000000..cb01345497
--- /dev/null
+++ b/21 - Geolocation/index.html	
@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Document</title>
+  <meta name="viewport" content="width=device-width">
+</head>
+<body>
+  <svg class="arrow" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" viewBox="0 0 64 64" enable-background="new 0 0 64 64" xml:space="preserve"><g><path fill="#ffffff" d="M32,1.824C15.361,1.824,1.825,15.361,1.825,32c0,16.639,13.537,30.176,30.175,30.176   S62.175,48.639,62.175,32C62.175,15.361,48.639,1.824,32,1.824z M29.715,3.988h1.12l2.333,3.807V3.988h1.069v5.701h-1.155   l-2.298-3.718v3.718h-1.069V3.988z M9.323,33.917H8.102l-1.136-4.262l-1.132,4.262H4.587l-1.361-5.701h1.178l0.859,3.916   l1.042-3.916h1.369l0.999,3.982l0.875-3.982h1.159L9.323,33.917z M33.995,59.828c-0.181,0.285-0.438,0.497-0.77,0.636   c-0.332,0.139-0.745,0.208-1.241,0.208c-0.721,0-1.274-0.167-1.661-0.5c-0.386-0.333-0.617-0.819-0.692-1.456l1.12-0.109   c0.067,0.376,0.204,0.652,0.41,0.828c0.206,0.176,0.484,0.264,0.834,0.264c0.371,0,0.65-0.078,0.838-0.235   c0.188-0.157,0.282-0.34,0.282-0.55c0-0.135-0.04-0.25-0.119-0.344c-0.079-0.095-0.217-0.177-0.414-0.247   c-0.135-0.047-0.442-0.13-0.922-0.249c-0.617-0.153-1.05-0.341-1.299-0.564c-0.35-0.314-0.525-0.696-0.525-1.147   c0-0.29,0.082-0.562,0.247-0.815c0.165-0.253,0.402-0.445,0.712-0.577c0.31-0.132,0.684-0.198,1.122-0.198   c0.716,0,1.254,0.157,1.616,0.471c0.362,0.314,0.552,0.733,0.57,1.256l-1.151,0.051c-0.049-0.293-0.155-0.504-0.317-0.632   c-0.162-0.128-0.405-0.193-0.729-0.193c-0.334,0-0.596,0.069-0.786,0.206c-0.122,0.088-0.183,0.206-0.183,0.354   c0,0.135,0.057,0.25,0.171,0.346c0.145,0.122,0.498,0.249,1.058,0.381c0.56,0.132,0.974,0.269,1.243,0.41   c0.268,0.141,0.478,0.334,0.63,0.58c0.152,0.245,0.227,0.548,0.227,0.908C34.267,59.237,34.176,59.543,33.995,59.828z M32,52.795   c-11.466,0-20.795-9.329-20.795-20.795c0-11.466,9.329-20.795,20.795-20.795S52.795,20.534,52.795,32   C52.795,43.466,43.466,52.795,32,52.795z M55.014,33.917v-5.701h4.227v0.965h-3.076v1.264h2.862v0.96h-2.862v1.552h3.185v0.961   H55.014z"/><g><path fill="#000000" d="M48.904,31.863c-4.074-1.358-8.148-2.717-12.226-4.066c-0.265-0.087-0.399-0.223-0.486-0.486    c-1.349-4.077-2.708-8.151-4.066-12.226c-0.029-0.087-0.074-0.169-0.132-0.3c-0.054,0.152-0.09,0.245-0.122,0.34    c-1.352,4.053-2.707,8.104-4.048,12.161c-0.096,0.292-0.246,0.428-0.532,0.522c-4.056,1.342-8.108,2.696-12.16,4.049    c-0.097,0.032-0.189,0.074-0.344,0.137c0.172,0.06,0.267,0.093,0.362,0.125c4.074,1.358,8.148,2.717,12.224,4.072    c0.204,0.068,0.337,0.158,0.412,0.386c1.243,3.757,2.498,7.511,3.75,11.265c0.144,0.432,0.291,0.862,0.463,1.373    c0.068-0.185,0.108-0.285,0.142-0.386c1.349-4.042,2.701-8.083,4.04-12.128c0.094-0.284,0.231-0.438,0.523-0.534    c4.056-1.341,8.108-2.696,12.161-4.048c0.099-0.033,0.195-0.076,0.347-0.137C49.067,31.925,48.987,31.891,48.904,31.863z     M37.475,32.038c-1.316,0.439-2.631,0.879-3.947,1.314c-0.095,0.031-0.139,0.081-0.17,0.173c-0.434,1.313-0.873,2.625-1.311,3.937    c-0.012,0.033-0.024,0.066-0.046,0.126c-0.056-0.166-0.104-0.306-0.15-0.446c-0.407-1.219-0.814-2.437-1.218-3.657    c-0.025-0.074-0.068-0.104-0.134-0.125c-1.323-0.44-2.646-0.881-3.968-1.322c-0.031-0.01-0.062-0.022-0.118-0.041    c0.05-0.02,0.081-0.034,0.112-0.045c1.315-0.439,2.631-0.879,3.947-1.314c0.093-0.03,0.142-0.075,0.173-0.17    c0.435-1.316,0.875-2.632,1.314-3.947c0.01-0.031,0.022-0.062,0.039-0.11c0.019,0.042,0.033,0.069,0.043,0.097    c0.441,1.323,0.882,2.645,1.321,3.969c0.028,0.085,0.072,0.129,0.158,0.158c1.324,0.438,2.646,0.879,3.969,1.32    c0.027,0.009,0.053,0.02,0.1,0.038C37.538,32.013,37.507,32.027,37.475,32.038z"/><path fill="#000000" d="M24.436,27.633c-1.069-2.137-2.119-4.237-3.216-6.43c2.189,1.094,4.292,2.145,6.433,3.216    c-0.359,0.713-0.706,1.404-1.057,2.091c-0.023,0.045-0.078,0.082-0.127,0.106C25.807,26.949,25.143,27.28,24.436,27.633z"/><path fill="#000000" d="M39.573,27.632c-0.696-0.348-1.351-0.673-2.002-1.005c-0.076-0.038-0.155-0.104-0.193-0.177    c-0.338-0.661-0.666-1.326-1.019-2.033c2.121-1.061,4.228-2.115,6.43-3.217C41.69,23.399,40.635,25.509,39.573,27.632z"/><path fill="#000000" d="M24.436,36.339c0.712,0.357,1.394,0.698,2.074,1.043c0.046,0.024,0.088,0.073,0.113,0.121    c0.339,0.671,0.674,1.345,1.028,2.051c-2.126,1.063-4.232,2.117-6.43,3.216C22.317,40.577,23.37,38.472,24.436,36.339z"/><path fill="#000000" d="M36.358,39.555c0.354-0.707,0.688-1.38,1.028-2.05c0.028-0.056,0.084-0.111,0.14-0.139    c0.67-0.339,1.343-0.674,2.047-1.026c1.066,2.131,2.118,4.235,3.215,6.43C40.601,41.676,38.503,40.628,36.358,39.555z"/></g></g></svg>
+
+
+  <h1 class="speed">
+    <span class="speed-value">0</span>
+    <span class="units">KM/H</span>
+  </h1>
+
+  <style>
+    html {
+      font-size: 100px;
+    }
+    body {
+      font-family: sans-serif;
+      min-height:100vh;
+      display:flex;
+      justify-content: center;
+      align-items: center;
+      flex-direction: column;
+      background:
+        radial-gradient(black 15%, transparent 16%) 0 0,
+        radial-gradient(black 15%, transparent 16%) 8px 8px,
+        radial-gradient(rgba(255,255,255,.1) 15%, transparent 20%) 0 1px,
+        radial-gradient(rgba(255,255,255,.1) 15%, transparent 20%) 8px 9px;
+      background-color:#282828;
+      background-size:16px 16px;
+      background-position: fixed;
+    }
+
+    .arrow {
+      width:250px;
+      overflow: hidden;
+      transition: all 0.2s;
+      transform:rotate(0deg);
+      display: inline-block;
+    }
+
+    h1 {
+      color:white;
+      font-weight: 100;
+      font-size: 60px;
+      display:flex;
+      align-items: center;
+    }
+
+    .units {
+      font-size: 15px;
+    }
+    /*Compass: https://thenounproject.com/search/?q=compass&i=592352*/
+  </style>
+  <script>
+  const arrow = document.querySelector('.arrow');
+  const speed = document.querySelector('.speed-value');
+
+  navigator.geolocation.watchPosition((data) => {
+    console.log(data);
+    speed.textContent = Math.round(data.coords.speed);
+    arrow.style.transform = `roatate(${data.coords.heading}deg)`;
+  }, err => {
+  console.err(err);
+  alert('Please allow location access')
+});
+
+  </script>
+</body>
+</html>
diff --git a/22 - Follow Along Link Highlighter/index.html b/22 - Follow Along Link Highlighter/index.html
new file mode 100644
index 0000000000..45c89687df
--- /dev/null
+++ b/22 - Follow Along Link Highlighter/index.html	
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>👀👀👀Follow Along Nav</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+    <nav>
+      <ul class="menu">
+        <li><a href="">Home</a></li>
+        <li><a href="">Order Status</a></li>
+        <li><a href="">Tweets</a></li>
+        <li><a href="">Read Our History</a></li>
+        <li><a href="">Contact Us</a></li>
+      </ul>
+    </nav>
+
+    <div class="wrapper">
+      <p>Lorem ipsum dolor sit amet, <a href="">consectetur</a> adipisicing elit. Est <a href="">explicabo</a> unde natus necessitatibus esse obcaecati distinctio, aut itaque, qui vitae!</p>
+      <p>Aspernatur sapiente quae sint <a href="">soluta</a> modi, atque praesentium laborum pariatur earum <a href="">quaerat</a> cupiditate consequuntur facilis ullam dignissimos, aperiam quam veniam.</p>
+      <p>Cum ipsam quod, incidunt sit ex <a href="">tempore</a> placeat maxime <a href="">corrupti</a> possimus <a href="">veritatis</a> ipsum fugit recusandae est doloremque? Hic, <a href="">quibusdam</a>, nulla.</p>
+      <p>Esse quibusdam, ad, ducimus cupiditate <a href="">nulla</a>, quae magni odit <a href="">totam</a> ut consequatur eveniet sunt quam provident sapiente dicta neque quod.</p>
+      <p>Aliquam <a href="">dicta</a> sequi culpa fugiat <a href="">consequuntur</a> pariatur optio ad minima, maxime <a href="">odio</a>, distinctio magni impedit tempore enim repellendus <a href="">repudiandae</a> quas!</p>
+    </div>
+
+  <script>
+    //get all the things that will need to have backgrounds
+    const triggers = document.querySelectorAll('a');
+    const highlight = document.createElement('span');
+    highlight.classList.add('highlight');
+    document.body.append(highlight);
+
+    function highlightLink() {
+      const linkCoords = this.getBoundingClientRect(); //method that returns that size of an element and its position relative to the viewport
+      console.log(linkCoords);
+
+      highlight.style.width = linkCoords.width + "px";
+      highlight.style.height = linkCoords.height + "px";
+      //factor in the amount the user has scrolled
+      highlight.style.transform = `translate(${linkCoords.left + window.scrollX}px,${linkCoords.top + window.scrollY}px)`;
+    }
+
+    triggers.forEach(a => a.addEventListener('mouseenter', highlightLink));
+
+  </script>
+</body>
+</html>
+
diff --git a/23 - Speech Synthesis/index.html b/23 - Speech Synthesis/index.html
new file mode 100644
index 0000000000..08ea0abc85
--- /dev/null
+++ b/23 - Speech Synthesis/index.html	
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Speech Synthesis</title>
+  <link href='https://fonts.googleapis.com/css?family=Pacifico' rel='stylesheet' type='text/css'>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+    <div class="voiceinator">
+
+      <h1>The Voiceinator 5000</h1>
+
+      <select name="voice" id="voices">
+        <option value="">Select A Voice</option>
+      </select>
+
+      <label for="rate">Rate:</label>
+      <input name="rate" type="range" min="0" max="3" value="1" step="0.1">
+
+      <label for="pitch">Pitch:</label>
+
+      <input name="pitch" type="range" min="0" max="2" step="0.1">
+      <textarea name="text">Hello! I love JavaScript 👍</textarea>
+      <button id="stop">Stop!</button>
+      <button id="speak">Speak</button>
+
+    </div>
+
+<script>
+  const msg = new SpeechSynthesisUtterance(); //object of what is going to be said and properties thereof
+  let voices = [];
+  const voicesDropdown = document.querySelector('[name="voice"]');
+  const options = document.querySelectorAll('[type="range"], [name="text"]');
+  const speakButton = document.querySelector('#speak');
+  const stopButton = document.querySelector('#stop');
+  msg.text = document.querySelector('[name=text]').value //on page load, take the text area content and load it as the utterance
+
+  function populateVoices() {
+    voices = this.getVoices();
+    voicesDropdown.innerHTML = voices
+      .filter(voice => voice.lang.includes('en'))
+      .map(voice => `<option value = "${voice.name}">${voice.name} (${voice.lang})</option>`)
+      .join('');
+  }
+
+  function setVoice () {
+    msg.voice = voices.find(voice => voice.name === this.value); //find the value in the speechSynthesis options array and set the utterances value to
+  }
+
+  function toggle(startOver = true) {
+    speechSynthesis.cancel(); //stop the utterance when voice option changed
+    if (startOver) {
+        speechSynthesis.speak(msg) //start it again
+    }
+  }
+
+  function setOption() {
+    msg[this.name] = this.value;
+    toggle();
+  }
+
+  speechSynthesis.addEventListener('voiceschanged', populateVoices);
+  voicesDropdown.addEventListener('change',setVoice);
+  options.forEach(option => option.addEventListener('change', setOption));
+
+  speakButton.addEventListener('click',toggle);
+  stopButton.addEventListener('click',toggle.bind(null,false)); //bind allows you to pass an argument
+
+
+</script>
+
+</body>
+</html>
diff --git a/24 - Sticky Nav/index-START.html b/24 - Sticky Nav/index-START.html
index 4982537eea..e7bc67e9a5 100644
--- a/24 - Sticky Nav/index-START.html	
+++ b/24 - Sticky Nav/index-START.html	
@@ -54,20 +54,7 @@ <h1>A story about getting lost.</h1>
   </div>
 
 <script>
-  const nav = document.querySelector('#main');
-  const topOfNav = nav.offsetTop;
-
-  function fixNav() {
-    if(window.scrollY >= topOfNav) {
-      document.body.style.paddingTop = nav.offsetHeight + 'px';
-      document.body.classList.add('fixed-nav');
-    } else {
-      document.body.style.paddingTop = 0;
-      document.body.classList.remove('fixed-nav');
-    }
-  }
-
-  window.addEventListener('scroll', fixNav);
+
 </script>
 
 </body>
diff --git a/24 - Sticky Nav/index.html b/24 - Sticky Nav/index.html
new file mode 100644
index 0000000000..125e63bdfb
--- /dev/null
+++ b/24 - Sticky Nav/index.html	
@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Sticky Nav</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+  <header>
+    <h1>A story about getting lost.</h1>
+  </header>
+
+  <nav id="main">
+    <ul>
+      <li class="logo"><a href="#">LOST.</a></li>
+      <li><a href="#">Home</a></li>
+      <li><a href="#">About</a></li>
+      <li><a href="#">Images</a></li>
+      <li><a href="#">Locations</a></li>
+      <li><a href="#">Maps</a></li>
+    </ul>
+  </nav>
+
+  <div class="site-wrap">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore tempora rerum, est autem cupiditate, corporis a qui libero ipsum delectus quidem dolor at nulla, adipisci veniam in reiciendis aut asperiores omnis blanditiis quod quas laborum nam! Fuga ad tempora in aspernatur pariatur fugit quibusdam dolores sunt esse magni, ut, dignissimos.</p>
+
+    <img src="http://unsplash.it/400/400" class="align-left slide-in">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptates, deserunt facilis et iste corrupti omnis tenetur est. Iste ut est dicta dolor itaque adipisci, dolorum minima, veritatis earum provident error molestias. Ratione magni illo sint vel velit ut excepturi consectetur suscipit, earum modi accusamus voluptatem nostrum, praesentium numquam, reiciendis voluptas sit id quisquam. Consequatur in quis reprehenderit modi perspiciatis necessitatibus saepe, quidem, suscipit iure natus dignissimos ipsam, eligendi deleniti accusantium, rerum quibusdam fugit perferendis et optio recusandae sed ratione. Culpa, dolorum reprehenderit harum ab voluptas fuga, nisi eligendi natus maiores illum quas quos et aperiam aut doloremque optio maxime fugiat doloribus. Eum dolorum expedita quam, nesciunt</p>
+
+    <img src="http://unsplash.it/400/400" class="align-right slide-in">
+
+    <p> at provident praesentium atque quas rerum optio dignissimos repudiandae ullam illum quibusdam. Vel ad error quibusdam, illo ex totam placeat. Quos excepturi fuga, molestiae ea quisquam minus, ratione dicta consectetur officia omnis, doloribus voluptatibus? Veniam ipsum veritatis architecto, provident quas consequatur doloremque quam quidem earum expedita, ad delectus voluptatum, omnis praesentium nostrum qui aspernatur ea eaque adipisci et cumque ab? Ea voluptatum dolore itaque odio. Eius minima distinctio harum, officia ab nihil exercitationem. Tempora rem nemo nam temporibus molestias facilis minus ipsam quam doloribus consequatur debitis nesciunt tempore officiis aperiam quisquam, molestiae voluptates cum, fuga culpa. Distinctio accusamus quibusdam, tempore perspiciatis dolorum optio facere consequatur quidem ullam beatae architecto, ipsam sequi officiis dignissimos amet impedit natus necessitatibus tenetur repellendus dolor rem! Dicta dolorem, iure, facilis illo ex nihil ipsa amet officia, optio temporibus eum autem odit repellendus nisi. Possimus modi, corrupti error debitis doloribus dicta libero earum, sequi porro ut excepturi nostrum ea voluptatem nihil culpa? Ullam expedita eligendi obcaecati reiciendis velit provident omnis quas qui in corrupti est dolore facere ad hic, animi soluta assumenda consequuntur reprehenderit! Voluptate dolor nihil veniam laborum voluptas nisi pariatur sed optio accusantium quam consectetur, corrupti, sequi et consequuntur, excepturi doloremque. Tempore quis velit corporis neque fugit non sequi eaque rem hic. Facere, inventore, aspernatur. Accusantium modi atque, asperiores qui nobis soluta cumque suscipit excepturi possimus doloremque odit saepe perferendis temporibus molestiae nostrum voluptatum quis id sint quidem nesciunt culpa. Rerum labore dolor beatae blanditiis praesentium explicabo velit optio esse aperiam similique, voluptatem cum, maiores ipsa tempore. Reiciendis sed culpa atque inventore, nam ullam enim expedita consectetur id velit iusto alias vitae explicabo nemo neque odio reprehenderit soluta sint eaque. Aperiam, qui ut tenetur, voluptate doloremque officiis dicta quaerat voluptatem rerum natus magni. Eum amet autem dolor ullam.</p>
+
+
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+
+    <img src="http://unsplash.it/400/400" class="align-right slide-in">
+
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio maiores adipisci quibusdam repudiandae dolor vero placeat esse sit! Quibusdam saepe aperiam explicabo placeat optio, consequuntur nihil voluptatibus expedita quia vero perferendis, deserunt et incidunt eveniet temporibus doloremque possimus facilis. Possimus labore, officia dolore! Eaque ratione saepe, alias harum laboriosam deserunt laudantium blanditiis eum explicabo placeat reiciendis labore iste sint. Consectetur expedita dignissimos, non quos distinctio, eos rerum facilis eligendi. Asperiores laudantium, rerum ratione consequatur, culpa consectetur possimus atque ab tempore illum non dolor nesciunt. Neque, rerum. A vel non incidunt, quod doloremque dignissimos necessitatibus aliquid laboriosam architecto at cupiditate commodi expedita in, quae blanditiis. Deserunt labore sequi, repellat laboriosam est, doloremque culpa reiciendis tempore excepturi. Enim nostrum fugit itaque vel corporis ullam sed tenetur ipsa qui rem quam error sint, libero. Laboriosam rem, ratione. Autem blanditiis laborum neque repudiandae quam, cumque, voluptate veritatis itaque, placeat veniam ad nisi. Expedita, laborum reprehenderit ratione soluta velit natus, odit mollitia. Corporis rerum minima fugiat in nostrum. Assumenda natus cupiditate hic quidem ex, quas, amet ipsum esse dolore facilis beatae maxime qui inventore, iste? Maiores dignissimos dolore culpa debitis voluptatem harum, excepturi enim reiciendis, tempora ab ipsam illum aspernatur quasi qui porro saepe iure sunt eligendi tenetur quaerat ducimus quas sequi omnis aperiam suscipit! Molestiae obcaecati officiis quo, ratione eveniet, provident pariatur. Veniam quasi expedita distinctio, itaque molestiae sequi, dolorum nisi repellendus quia facilis iusto dignissimos nam? Tenetur fugit quos autem nihil, perspiciatis expedita enim tempore, alias ab maiores quis necessitatibus distinctio molestias eum, quidem. Delectus impedit quidem laborum, fugit vel neque quo, ipsam, quasi aspernatur quas odio nihil? Veniam amet reiciendis blanditiis quis reprehenderit repudiandae neque, ab ducimus, odit excepturi voluptate saepe ipsam. Voluptatem eum error voluptas porro officiis, amet! Molestias, fugit, ut! Tempore non magnam, amet, facere ducimus accusantium eos veritatis neque.</p>
+  </div>
+
+<script>
+const nav = document.querySelector('#main');
+const topOfNav = nav.offsetTop;
+function fixNav() {
+  if (window.scrollY >= topOfNav) {
+    document.body.classList.add('fixed-nav');
+    document.body.style.paddingTop = nav.offsetHeight + 'px'; //need camel case in javascript, despite the CSS property being padding-top
+  } else {
+    document.body.classList.remove('fixed-nav');
+    document.body.style.paddingTop = 0;
+  }
+}
+
+window.addEventListener('scroll', fixNav);
+
+</script>
+
+</body>
+</html>
diff --git a/24 - Sticky Nav/style-START.css b/24 - Sticky Nav/style-START.css
index 19961112b4..c6d59a31b3 100644
--- a/24 - Sticky Nav/style-START.css	
+++ b/24 - Sticky Nav/style-START.css	
@@ -23,10 +23,6 @@ body {
   transition: transform 0.5s;
 }
 
-.fixed-nav .site-wrap {
-  transform: scale(1);
-}
-
 header {
   text-align: center;
   height:50vh;
@@ -52,11 +48,6 @@ nav {
   z-index: 1;
 }
 
-.fixed-nav nav {
-  position: fixed;
-  box-shadow: 0 5px rgba(0,0,0,0.1)
-}
-
 nav ul {
   margin: 0;
   padding:0;
@@ -81,10 +72,6 @@ li.logo {
   font-size: 30px;
 }
 
-.fixed-nav li.logo {
-  max-width:500px;
-}
-
 li.logo a {
   color:black;
 }
diff --git a/24 - Sticky Nav/style.css b/24 - Sticky Nav/style.css
new file mode 100644
index 0000000000..19961112b4
--- /dev/null
+++ b/24 - Sticky Nav/style.css	
@@ -0,0 +1,99 @@
+html {
+  box-sizing: border-box;
+  background:#eeeeee;
+  font-family:'helvetica neue';
+  font-size: 20px;
+  font-weight: 200;
+}
+body {
+  margin: 0;
+}
+*, *:before, *:after {
+  box-sizing: inherit;
+}
+
+.site-wrap {
+  max-width: 700px;
+  margin: 70px auto;
+  background:white;
+  padding:40px;
+  text-align: justify;
+  box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.05);
+  transform: scale(0.98);
+  transition: transform 0.5s;
+}
+
+.fixed-nav .site-wrap {
+  transform: scale(1);
+}
+
+header {
+  text-align: center;
+  height:50vh;
+  background:url(http://wes.io/iEgP/wow-so-deep.jpg) bottom center no-repeat;
+  background-size:cover;
+  display:flex;
+  align-items:center;
+  justify-content: center;
+}
+
+h1 {
+  color:white;
+  font-size: 7vw;
+  text-shadow: 3px 4px 0 rgba(0,0,0,0.2)
+}
+
+nav {
+  background:black;
+  top:0;
+  width: 100%;
+  transition:all 0.5s;
+  position: relative;
+  z-index: 1;
+}
+
+.fixed-nav nav {
+  position: fixed;
+  box-shadow: 0 5px rgba(0,0,0,0.1)
+}
+
+nav ul {
+  margin: 0;
+  padding:0;
+  list-style: none;
+  display:flex;
+}
+
+nav li {
+  flex:1;
+  text-align: center;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+li.logo {
+  max-width:0;
+  overflow: hidden;
+  background: white;
+  transition: all .5s;
+  font-weight: 600;
+  font-size: 30px;
+}
+
+.fixed-nav li.logo {
+  max-width:500px;
+}
+
+li.logo a {
+  color:black;
+}
+
+nav a {
+  text-decoration: none;
+  padding:20px;
+  display: inline-block;
+  color:white;
+  transition:all 0.2s;
+  text-transform: uppercase;
+}
diff --git a/25 - Event Capture, Propagation, Bubbling and Once/index-START.html b/25 - Event Capture, Propagation, Bubbling and Once/index-START.html
index 98f5e070c4..166235b3fe 100644
--- a/25 - Event Capture, Propagation, Bubbling and Once/index-START.html	
+++ b/25 - Event Capture, Propagation, Bubbling and Once/index-START.html	
@@ -37,7 +37,6 @@
   }
 </style>
 
-<button></button>
 <script>
 
 </script>
diff --git a/25 - Event Capture, Propagation, Bubbling and Once/index.html b/25 - Event Capture, Propagation, Bubbling and Once/index.html
new file mode 100644
index 0000000000..2740bc4d5d
--- /dev/null
+++ b/25 - Event Capture, Propagation, Bubbling and Once/index.html	
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Understanding JavaScript's Capture</title>
+</head>
+<body class="bod">
+
+  <div class="one">
+    <div class="two">
+      <div class="three">
+      </div>
+    </div>
+  </div>
+
+<style>
+  html {
+    box-sizing: border-box;
+  }
+  *, *:before, *:after { box-sizing: inherit; }
+
+  div {
+    width:100%;
+    padding:100px;
+  }
+
+  .one {
+    background: thistle;
+  }
+
+  .two {
+    background:mistyrose;
+  }
+
+  .three {
+    background:coral;
+  }
+</style>
+
+<script>
+const divs = document.querySelectorAll('div');
+
+function logText(e) {
+  console.log(this.classList.value);
+  //e.stopPropagation(); stop bubble/capture
+}
+
+divs.forEach(div => div.addEventListener('click',logText, {
+  capture: false,
+  once:true
+}));
+
+//bubble goes from deepest to shallowest, the default behaviour (capture: false)
+//stopPropagation(); prevents bubble or capture
+//capture:true goes in capture order, from shallowest to deepest
+//once unbinds a function. In this instance, it would be the same as firing div.removeListener('click',logText). This option is relatively new. A practical example: a store checkout button.
+
+</script>
+</body>
+</html>
diff --git a/26 - Stripe Follow Along Nav/index.html b/26 - Stripe Follow Along Nav/index.html
new file mode 100644
index 0000000000..a8fadf9a0c
--- /dev/null
+++ b/26 - Stripe Follow Along Nav/index.html	
@@ -0,0 +1,246 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Follow Along Nav</title>
+</head>
+<body>
+  <h2>Cool</h2>
+  <nav class="top">
+    <div class="dropdownBackground"> <!--this is the following div-->
+      <span class="arrow"></span>
+    </div>
+
+    <ul class="cool">
+      <li>
+        <a href="#">About Me</a>
+        <div class="dropdown dropdown1">
+          <div class="bio">
+            <img src="https://logo.clearbit.com/wesbos.com">
+            <p>Wes Bos sure does love web development. He teaches things like JavaScript, CSS and BBQ. Wait. BBQ isn't part of web development. It should be though!</p>
+          </div>
+        </div>
+      </li>
+      <li>
+        <a href="#">Courses</a>
+        <ul class="dropdown courses"> <!-- top level lis are what will be hovered over -->
+          <li>
+            <span class="code">RFB</span>
+            <a href="https://ReactForBeginners.com">React For Beginners</a>
+          </li>
+          <li>
+            <span class="code">ES6</span>
+            <a href="https://ES6.io">ES6 For Everyone</a>
+          </li>
+          <li>
+            <span class="code">STPU</span>
+            <a href="https://SublimeTextBook.com">Sublime Text Power User</a>
+          </li>
+          <li>
+            <span class="code">WTF</span>
+            <a href="http://flexbox.io">What The Flexbox?!</a>
+          </li>
+          <li>
+            <span class="code">LRX</span>
+            <a href="http://LearnRedux.com">Learn Redux</a>
+          </li>
+          <li>
+            <span class="code">CLPU</span>
+            <a href="http://CommandLinePowerUser.com">Command Line Power User</a>
+          </li>
+          <li>
+            <span class="code">MMD</span>
+            <a href="http://MasteringMarkdown.com">Mastering Markdown</a>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <a href="#">Other Links</a>
+        <ul class="dropdown dropdown3">
+          <li><a class="button" href="http://twitter.com/wesbos">Twiter</a></li>
+          <li><a class="button" href="http://facebook.com/wesbos.developer">Facebook</a></li>
+          <li><a class="button" href="http://wesbos.com">Blog</a></li>
+          <li><a class="button" href="http://wesbos.com/courses">Course Catalog</a></li>
+        </ul>
+      </li>
+    </ul>
+  </nav>
+
+<style>
+  html {
+    box-sizing: border-box;
+    font-family: "Arial Rounded MT Bold","Helvetica Rounded",Arial,sans-serif
+  }
+  *, *:before, *:after {
+    box-sizing: inherit;
+  }
+  body {
+    min-height: 100vh;
+    background:
+      linear-gradient(45deg, hsla(340, 100%, 55%, 1) 0%, hsla(340, 100%, 55%, 0) 70%),
+      linear-gradient(135deg, hsla(225, 95%, 50%, 1) 10%, hsla(225, 95%, 50%, 0) 80%),
+      linear-gradient(225deg, hsla(140, 90%, 50%, 1) 10%, hsla(140, 90%, 50%, 0) 80%),
+      linear-gradient(315deg, hsla(35, 95%, 55%, 1) 100%, hsla(35, 95%, 55%, 0) 70%);
+  }
+
+  nav {
+    position: relative;
+    perspective: 600px;
+  }
+
+  .cool > li > a {
+    color: yellow;
+    text-decoration: none;
+    font-size: 20px;
+    background: rgba(0,0,0,0.2);
+    padding:10px 20px;
+    display: inline-block;
+    margin:20px;
+    border-radius:5px;
+  }
+
+  nav ul {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+    display: flex;
+    justify-content: center;
+  }
+
+  .cool > li {
+    position: relative;
+    display:flex;
+    justify-content: center;
+  }
+
+  .dropdown {
+    opacity: 0;
+    position: absolute;
+    overflow: hidden;
+    padding:20px;
+    top:-20px;
+    border-radius:2px;
+    transition: all 0.5s;
+    transform: translateY(100px);
+    will-change: transform;
+    display: none;
+  }
+
+  .trigger-enter .dropdown {
+    display: block;
+  }
+
+  .trigger-enter-active .dropdown {
+    opacity: 1;
+  }
+
+
+  .dropdownBackground {
+    width:100px;
+    height:100px;
+    position: absolute;
+    background: #fff;
+    border-radius: 4px;
+    box-shadow: 0 50px 100px rgba(50,50,93,.1), 0 15px 35px rgba(50,50,93,.15), 0 5px 15px rgba(0,0,0,.1);
+    transition:all 0.3s, opacity 0.1s, translate 0.2s;
+    transform-origin: 50% 0%;
+    display: flex;
+    justify-content: center;
+    opacity:0;
+  }
+
+  .dropdownBackground.open {
+    opacity: 1;
+  }
+
+  .arrow {
+    position: absolute;
+    width:20px;
+    height:20px;
+    display: block;
+    background:white;
+    transform: translateY(-50%) rotate(45deg);
+  }
+
+  .bio {
+    min-width:500px;
+    display:flex;
+    justify-content: center;
+    align-items: center;
+    line-height: 1.7;
+  }
+
+  .bio img {
+    float:left;
+    margin-right:20px;
+  }
+
+  .courses {
+    min-width:300px;
+  }
+
+  .courses li {
+    padding: 10px 0;
+    display: block;
+    border-bottom: 1px solid rgba(0,0,0,0.2);
+  }
+
+  .dropdown a {
+    text-decoration: none;
+    color: #ffc600;
+  }
+
+  a.button {
+    background:black;
+    display: block;
+    padding:10px;
+    color:white;
+    margin-bottom: 10px;
+  }
+
+
+  /* Matches Twitter, TWITTER, twitter, tWitter, TWiTTeR... */
+  .button[href*=twitter] { background: #019FE9; }
+  .button[href*=facebook] { background: #3B5998; }
+  .button[href*=courses] { background: #ffc600; }
+
+</style>
+
+<script>
+const triggers = document.querySelectorAll('.cool > li');
+const background = document.querySelector('.dropdownBackground');
+const nav = document.querySelector('.top');
+
+function handleEnter () {
+    this.classList.add('trigger-enter');
+    setTimeout(() => this.classList.contains('trigger-enter') && this.classList.add('trigger-enter-active'), 150);
+    background.classList.add('open');
+
+    const dropdown = this.querySelector('.dropdown');
+
+    const dropdownCoords = dropdown.getBoundingClientRect();;
+    const navCoords = nav.getBoundingClientRect();
+    const coords = {
+      height: dropdownCoords.height,
+      width: dropdownCoords.width,
+      top: dropdownCoords.top - navCoords.top,
+      left: dropdownCoords.left - navCoords.left,
+    };
+
+    background.style.setProperty('width', `${coords.width}px`);
+    background.style.setProperty('height', `${coords.height}px`);
+    background.style.setProperty('transform',`translate(${coords.left}px, ${coords.top}px)`)
+
+}
+
+function handleLeave() {
+  this.classList.remove('trigger-enter', 'trigger-enter-active');
+  background.classList.remove('open');
+}
+
+triggers.forEach(trigger => trigger.addEventListener('mouseenter', handleEnter));
+triggers.forEach(trigger => trigger.addEventListener('mouseleave', handleLeave));
+</script>
+
+</body>
+</html>
diff --git a/27 - Click and Drag/index.html b/27 - Click and Drag/index.html
new file mode 100644
index 0000000000..b856951d51
--- /dev/null
+++ b/27 - Click and Drag/index.html	
@@ -0,0 +1,72 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Click and Drag</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+  <div class="items">
+    <div class="item item1">01</div>
+    <div class="item item2">02</div>
+    <div class="item item3">03</div>
+    <div class="item item4">04</div>
+    <div class="item item5">05</div>
+    <div class="item item6">06</div>
+    <div class="item item7">07</div>
+    <div class="item item8">08</div>
+    <div class="item item9">09</div>
+    <div class="item item10">10</div>
+    <div class="item item11">11</div>
+    <div class="item item12">12</div>
+    <div class="item item13">13</div>
+    <div class="item item14">14</div>
+    <div class="item item15">15</div>
+    <div class="item item16">16</div>
+    <div class="item item17">17</div>
+    <div class="item item18">18</div>
+    <div class="item item19">19</div>
+    <div class="item item20">20</div>
+    <div class="item item21">21</div>
+    <div class="item item22">22</div>
+    <div class="item item23">23</div>
+    <div class="item item24">24</div>
+    <div class="item item25">25</div>
+  </div>
+
+<script>
+    const slider = document.querySelector('.items');
+    let isDown = false; //flag whether clicking or not
+    let startX;
+    let scrollLeft;
+
+    slider.addEventListener('mousedown', (e) => {
+        isDown = true;
+        slider.classList.add('active');
+        startX = e.pageX - slider.offsetLeft;
+        scrollLeft = slider.scrollLeft;
+    });
+
+    slider.addEventListener('mouseleave', () => {
+        isDown = false;
+        slider.classList.remove('active');
+    });
+
+    slider.addEventListener('mouseup', () => {
+        isDown = false;
+        slider.classList.remove('active');
+
+    });
+
+    slider.addEventListener('mousemove', (e) => {
+        if(!isDown) return;
+        e.preventDefault(); //prevent trying to select text, etc
+        const x = e.pageX - slider.offsetLeft;
+        const walk = (x - startX) * 3;
+        slider.scrollLeft = scrollLeft - walk;
+    });
+
+</script>
+
+  </body>
+</html>
diff --git a/28 - Video Speed Controller/index.html b/28 - Video Speed Controller/index.html
new file mode 100644
index 0000000000..bb2bd2be18
--- /dev/null
+++ b/28 - Video Speed Controller/index.html	
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Video Speed Scrubber</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+  <div class="wrapper">
+    <video class="flex" width="765" height="430" src="https://www.dropbox.com/s/nf6jfkwck1glsyo/12%20-%20flex-wrapping-and-columns.mp4?dl=1" loop controls></video>
+    <div class="speed">
+      <div class="speed-bar">1×</div>
+    </div>
+  </div>
+
+<script>
+  const speed = document.querySelector('.speed');
+  const bar = document.querySelector('.speed-bar');
+  const video = document.querySelector('.flex');
+
+  speed.addEventListener('mousemove', function(e) {
+    const y = e.pageY - this.offsetTop;
+    const percent = y / this.offsetHeight;
+    const min = 0.4;
+    const max = 4;
+    const height = Math.round(percent*100) + '%';
+    const playbackRate = percent * (max-min) + min;
+    bar.style.height = height;
+    bar.textContent = playbackRate.toFixed(2) + 'x';
+    video.playbackRate = playbackRate;
+
+  });
+</script>
+</body>
+</html>
diff --git a/29 - Countown Timer/index.html b/29 - Countown Timer/index.html
index d54f447dd9..95a0f895a2 100644
--- a/29 - Countown Timer/index.html	
+++ b/29 - Countown Timer/index.html	
@@ -24,6 +24,6 @@ <h1 class="display__time-left"></h1>
     </div>
   </div>
 
-  <script src="scripts-START.js"></script>
+  <script src="scripts.js"></script>
 </body>
 </html>
diff --git a/29 - Countown Timer/scripts.js b/29 - Countown Timer/scripts.js
new file mode 100644
index 0000000000..19c0678ca8
--- /dev/null
+++ b/29 - Countown Timer/scripts.js	
@@ -0,0 +1,53 @@
+let countdown;
+const timerDisplay = document.querySelector('.display__time-left');
+const endTime = document.querySelector('.display__end-time');
+const buttons = document.querySelectorAll(`[data-time]`);
+
+function timer(seconds) {
+  //clear existing timers
+  clearInterval(countdown);
+
+  const now = Date.now(); //.now is a new method to date
+  const then = now + seconds*1000; //covnert to ms
+  displayTimeLeft(seconds);
+  displayEndTime(then);
+
+  countdown = setInterval(() => {
+    const secondsLeft = Math.round((then - Date.now())/1000);
+    //check if timer should stop
+    if (secondsLeft < 0) {
+      clearInterval(countdown);
+      return;
+    }
+    //display it
+    displayTimeLeft(secondsLeft);
+  }, 1000);
+}
+
+function displayTimeLeft(seconds) {
+  const minutes = Math.floor(seconds/60);
+  const remainderSeconds = seconds % 60;
+  const display = `${minutes}:${remainderSeconds < 10 ? '0' : ''}${remainderSeconds}`;
+  document.title = display;
+  timerDisplay.textContent = display;
+}
+
+function displayEndTime(timestamp) {
+  const end = new Date(timestamp);
+  const hour = end.getHours();
+  const minutes = end.getMinutes();
+  endTime.textContent = `Be back at ${hour > 12 ? hour - 12 : hour}:${minutes < 10 ? '0' : ''}${minutes}`;
+}
+
+function startTimer() {
+  const seconds = parseInt(this.dataset.time);
+  timer(seconds);
+}
+
+buttons.forEach(button => button.addEventListener('click',startTimer));
+document.customForm.addEventListener('submit', function(e) {
+  e.preventDefault(); //prevent page from reloading on submit
+  const mins = this.minutes.value;
+  timer(mins * 60);
+  this.reset(); //clear the input box on submission
+});
\ No newline at end of file
diff --git a/30 - Whack A Mole/index.html b/30 - Whack A Mole/index.html
new file mode 100644
index 0000000000..6b9e0ea80b
--- /dev/null
+++ b/30 - Whack A Mole/index.html	
@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Whack A Mole!</title>
+  <link href='https://fonts.googleapis.com/css?family=Amatic+SC:400,700' rel='stylesheet' type='text/css'>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+  <h1>Whack-a-mole! <span class="score">0</span></h1>
+  <button onClick="startGame()">Start!</button>
+
+  <div class="game">
+    <div class="hole hole1">
+      <div class="mole"></div>
+    </div>
+    <div class="hole hole2">
+      <div class="mole"></div>
+    </div>
+    <div class="hole hole3">
+      <div class="mole"></div>
+    </div>
+    <div class="hole hole4">
+      <div class="mole"></div>
+    </div>
+    <div class="hole hole5">
+      <div class="mole"></div>
+    </div>
+    <div class="hole hole6">
+      <div class="mole"></div>
+    </div>
+  </div>
+
+<script>
+  const holes = document.querySelectorAll('.hole');
+  const scoreBoard = document.querySelector('.score');
+  const moles = document.querySelectorAll('.mole');
+  let lastHole;
+  let timeUp = false;
+  let score = 0;
+
+  function randomTime(min,max) {
+    return Math.round(Math.random() * (max - min) + min);
+  }
+
+  function randomHole(holes) {
+    const idx = Math.floor(Math.random() * holes.length);
+    const hole = holes[idx];
+    if (hole === lastHole) { //make sure same hole isnt returned twice in a row
+      return randomHole(holes);
+    }
+    lastHole = hole;
+    return hole;
+  }
+
+  function peep() {
+    const time = randomTime(200,1000);
+    const hole = randomHole(holes);
+    hole.classList.add('up');
+    setTimeout(() => {
+      hole.classList.remove('up');
+      if(!timeUp) peep();
+    },time)
+  }
+
+  function startGame() {
+    scoreBoard.tectContent = 0;
+    timeUp = false;
+    score = 0;
+    peep();
+    setTimeout(() => timeUp = true, 10000);
+  }
+
+  function bonk(e) {
+    if(!e.isTrusted) return; //non-user click
+    score++;
+    this.classList.remove('up');
+    scoreBoard.textContent = score;
+  }
+
+  moles.forEach(mole => mole.addEventListener('click', bonk));
+
+
+</script>
+</body>
+</html>