-Infinity in js code example

Example 1: js ===

5 =='5' // true: ignores type
5 === '5' // false: includes type

Example 2: equal to or more than javascript

//Equal to or more than
a >= b
//Equal to or less than
a <= b

Example 3: js !==

var x = 5;

// === 	equal value and equal type
// e.g. 1. 
x === 5 returns true

// e.g. 2.
x === "5" returns false

// !== not equal value or not equal type
// e.g. 1.
x !== 5 returns false

// e.g. 2.
x !== "5" returns true

// e.g. 3.
x !== 8 returns true

Example 4: array in js

var array_name = [item1, item2, ...];      
//Used to store more than 1 items