JavaScript Introduction
JavaScript Execution
Node.js Installation
Variables in JavaScript
Variable Naming in JavaScript
Primitive Types and Objects in JavaScript
Operators and Expressions in JavaScript
var vs let vs const in JavaScript
JavaScript If-Else Conditionals
JavaScript If-Else Ladder
JavaScript Switch Case
JavaScript Break & Continue
JavaScript Ternary Operator
JavaScript For Loop
JavaScript While Loop
JavaScript Function
JavaScript String
JavaScript Arrays
JavaScript Loops with Arrays
JavaScript filter and reduce Methods
JavaScript map Method
JavaScript Date Object
JavaScript Math Object
JavaScript Number Object
JavaScript Boolean Object
JavaScript Random Number Generation
JavaScript Window Object
JavaScript History Object
JavaScript Navigator Object
JavaScript Screen Object
JavaScript Document Object
JavaScript getElementById Method
JavaScript getElementsByClassName Method
JavaScript querySelector() Method
JavaScript getElementsByTagName() Method
JavaScript getElementsByName() Method
JavaScript innerHTML Property
JavaScript outerHTML Property
JavaScript class
JavaScript Object
JavaScript Constructor
Polymorphism in JavaScript
Inheritance in JavaScript
Abstraction in JavaScript

JavaScript Introduction

JavaScript ek high-level, interpreted programming language hai jo web development me use hoti hai. Yeh browser me chalta hai aur web pages ko dynamic banata hai.

JavaScript kya hai?

JavaScript ek scripting language hai jo mainly web pages ko interactive banane ke liye use hoti hai. Yeh HTML aur CSS ke sath milkar ek complete website banane me madad karta hai.

JavaScript ke Features

Dynamic hai - Code bina page reload kiye execute hota hai.
Client-side aur Server-side dono me use ho sakta hai.
Event-driven programming support karta hai.
Lightweight aur fast execution ke liye optimized hai.

JavaScript ka Simple Example

console.log('Hello, JavaScript!');

Output:

Hello, JavaScript!

JavaScript Kaha Use Hota Hai?

Web development (Frontend aur Backend dono me)
Mobile app development
Game development
Server-side programming (Node.js)

Conclusion

JavaScript ek powerful language hai jo websites ko interactive aur dynamic banati hai. Isko sikhna har web developer ke liye zaroori hai!

🚀🔥

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