finished task wesbos#4

Author: Necxes

04 - Array Cardio Day 1/index-START.html

@@ -35,32 +35,61 @@
 'Berne, Eric','Berra, Yogi','Berry, Wendell','Bevan, Aneurin','Ben-Gurion, David','Bevel, Ken','Biden, Joseph','Bennington, Chester','Bierce, Ambrose',
 'Billings, Josh','Birrell, Augustine','Blair, Tony','Beecher, Henry','Biondo, Frank'
 ];
-
+
 // Array.prototype.filter()
 // 1. Filter the list of inventors for those who were born in the 1500's
+constfifteen=inventors.filter(inventor=>inventor.year>=1500&&inventor.year<1600);
+console.table(fifteen);
 
 // Array.prototype.map()
 // 2. Give us an array of the inventors first and last names
+constfullNames=inventors.map(inventor=>inventor.first+' '+inventor.last);
+console.table(fullNames);
 
 // Array.prototype.sort()
 // 3. Sort the inventors by birthdate, oldest to youngest
+constbirthdates=inventors.sort((a,b)=>(a.year>b.year ? 1 : -1));
+console.table(birthdates);
 
 // Array.prototype.reduce()
 // 4. How many years did all the inventors live all together?
+consttotalYears=inventors.reduce((total,inventor)=>{
+returntotal+(inventor.passed-inventor.year);
+},0)
+console.log(totalYears);
 
 // 5. Sort the inventors by years lived
+constsortByLife=inventors.sort((a,b)=>((a.passed-a.year)<(b.passed-b.year) ? 1 : -1));
+console.table(sortByLife);
 
 // 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 = [...category.querySelectorAll('a')];
+// const de = links
+// .map(link => link.textContent)
+// .filter(streetName => streetName.includes('de'));
 
 // 7. sort Exercise
 // Sort the people alphabetically by last name
+constsortLastname=people.sort((lastOne,nextOne)=>{
+const[aLast,aFirst]=lastOne.split(', ');
+const[bLast,bFirst]=nextOne.split(', ');
+returnaLast>bLast ? 1 : -1;
+});
+console.table(sortLastname);
 
 // 8. Reduce Exercise
 // Sum up the instances of each of these
 constdata=['car','car','truck','truck','bike','walk','car','van','bike','walk','car','van','car','truck'];
-
+consttransportation=data.reduce((obj,item)=>{
+if(!obj[item]){
+obj[item]=0;
+}
+obj[item]++;
+returnobj;
+},{});
+console.log(transportation)
 </script>
 </body>
 </html>