not operator in javascript code example

Example 1: not operator js

let a = true;

let b = !a;

console.log(b); //output: false

Example 2: js ===

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

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: and operator in javascript

//& (bitwise AND) operator
console.log(5 & 13); //outout: 5
/*
5  = 0101 (base 2)
13 = 1101 (base 2)
//AND every bit together from both numbers
+----+
|0101|
|1101|
+----+
|0101|
+----+
0101 = 5 (base 10)
*/

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