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KIRAN RAJ
KIRAN RAJ

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JavaScript Data Types

Types javascript of datatypes

Type :Description
String :A text of characters enclosed in quotes
Number :A number representing a mathematical value
Bigint :A number representing a large integer
Boolean :A data type representing true or false
Object :A collection of key-value pairs of data
Undefined :A primitive variable with no assigned value
Null :A primitive value representing object absence
Symbol :A unique and primitive identifier

Examples:

// Strings
let color = "Yellow";
let lastName = "Johnson";

// Number
let length = 16;
let weight = 7.5;

// BigInt
let x = 1234567890123456789012345n;
let y = BigInt(1234567890123456789012345)

// Boolean
let x = true;
let y = false;

// Object
const person = {firstName:"John", lastName:"Doe"};

// Array object
const cars = ["Saab", "Volvo", "BMW"];

// Date object
const date = new Date("2022-03-25");

// Undefined
let x;
let y;

// Null
let x = null;
let y = null;

// Symbol
const x = Symbol();
const y = Symbol();
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