Data Types in JavaScript

 JavaScript Data Types

There are different data types in JavaScript.

Number

Boolean

String

Array

Object

Null

Undefined

Example of Number Data Type

let a = 10;

let b = 10.67;

let c = -34;

let d = -45.7

Example of Boolean Data Type

let a = true;

let b = false;

Example of String Data Type

let a = "10";

let b = "Khizar Shahal";

let c = "True";

let d = "K";

Example of Array Data Type

let a = [10,20,30,40,50];
let b = ["Khizar","Ali","KST","Shahal"];

Example of Object Data Type

let a = {RollNo: 100, Name: "Khizar Shahal", Class: "BS IT"};

Example of Null Data Type

let a = null;

Example of Undefined Data Type

let a;

let b;

See more details please watch my video Click Here