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comparisons.html
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comparisons.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Getting started with Javascript</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<style >
body {padding: 30px; }
</style>
</head>
<body>
<script>
const original = 'chris';
const clone = 'CHRIS';
console.groupCollapsed('String');
console.log(original == clone); // false
console.log(original == 'chris'); //true
console.log(original == clone.toLowerCase());
console.groupEnd()
const num1= 10;
const num2 = '10';
console.groupCollapsed('Numbers');
console.log(num1 == num2); // true because its conversion
console.log(num1 === num2); //false because it checks the type as well
console.groupEnd()
let what;
let thing = null;
console.groupCollapsed('Booleans');
console.log(Boolean(what)); // true because its conversion
console.log(Boolean(thing)); //false because it checks the type as well
console.log(Boolean(num1));
console.log(Boolean(num2));
console.log(Boolean({})); // true
console.log(Boolean([]));
console.groupEnd()
const firtsarray = [1,2,3];
const secondsarray = [1,2,3];
const firtsobj = {name: 'judy}';
const secondobj = {name: 'judy}';
console.groupCollapsed('Booleans');
console.log(Boolean(firtsarray == secondsarray)); // false because its conversion
console.log(Boolean(firtsobj == secondsobj)); // false
console.groupEnd()
</script>
</body>
</html>