and or condition in javascript code example

Example 1: js logical operators

Javascript Logical Operators
&& Logical and
|| Logical or
! Logical not

Example 2: javascript if and statement

let a = 1;
let b = 2;
if(a == 1 && b ==2){
	// Code here 
}

Example 3: javascript if or

let A = 1;
let B = 0;
if (A == 1 || B == 1){
  	// some code here
}

Example 4: 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