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72 changes: 36 additions & 36 deletions Javascript/2-logical-operators.js
Original file line numberDiff line numberDiff line change
@@ -1,36 +1,36 @@
'use strict'
let tea = true;
let juice = true;
let vodka = false;
let beer = false
let goodDrinks = tea && juice; // true
let badDrinks = vodka && beer; // false
let badMix = vodka && juice; // false
console.log('...Logical operator AND (&&)...');
console.log('Mix of Tea AND Juice is ' + goodDrinks);
console.log('Mix of Vodka AND Beer is ' + badDrinks);
console.log('Mix of Vodka AND Juice is ' + badMix);
let engine_1 = true;
let engine_2 = false;
let fly = engine_1 || engine_2; // true, because the plane needs at least one OK engine
console.log('...Logical operator OR (||)...');
console.log('The first engine works? - ' + engine_1)
console.log('The second engine works? - ' + engine_2)
console.log('Is the plane still flying? - ' + fly );
let happy = true;
let mood = !happy; // false
console.log('...Logical operator NOT (!)...');
console.log('He is happy? - ' + mood);
'use strict';

const tea = true;
const juice = true;

const vodka = false;
const beer = false;

const goodDrinks = tea && juice; // true
const badDrinks = vodka && beer; // false
const badMix = vodka && juice; // false

console.log('...Logical operator AND (&&)...');

console.log('Mix of Tea AND Juice is ' + goodDrinks);
console.log('Mix of Vodka AND Beer is ' + badDrinks);
console.log('Mix of Vodka AND Juice is ' + badMix);

const engine1 = true;
const engine2 = false;

const fly = engine1 || engine2; // true, because the plane needs at least one OK engine

console.log('...Logical operator OR (||)...');

console.log('The first engine works? - ' + engine1);
console.log('The second engine works? - ' + engine2);
console.log('Is the plane still flying? - ' + fly);

const happy = true;

const mood = !happy; // false

console.log('...Logical operator NOT (!)...');

console.log('Is he happy? - ' + mood);