# DAY 1 JAVASCRIPT INTRODUCTION & TOOLS SETUP

Introduction to JavaScript JavaScript is one of the most powerful and widely-used programming languages in the world. It adds life to websites, making them dynamic, interactive, and responsive. Whether you want to build beautiful frontend designs or powerful backend systems — JavaScript is a must-learn language for every developer. Why Learn JavaScript? Beginner-friendly & easy to start Runs directly in your browser Essential for frontend & backend development Works with modern frameworks like React, Node.js, Vue.js, and Next.js Huge demand in the tech industry What Can JavaScript Do? Make websites interactive Handle form validations Create animations & effects Fetch data from APIs Build mobile apps & games Power server-side applications How JavaScript Works Behind the Scenes Every browser has its own JavaScript Engine that runs your code. Browser JavaScript Engine Google Chrome V8 Firefox SpiderMonkey Safari JavaScriptCore Edge Chakra Tools Setup for JavaScript Development 1. Text Editor / IDE Recommended → Visual Studio Code (VS Code) Download here → https://code.visualstudio.com/ Features: Easy to use Syntax highlighting Extensions & Plugins Integrated Terminal Debugging support 2. Browser Recommended → Google Chrome or Firefox Reason → They have powerful developer tools for testing & debugging your code. 3. Node.js & NPM (Optional but Recommended) Download here → https://nodejs.org/ Check Installation: node -v npm -v 4. Live Server Extension (VS Code) Helps you run your HTML + JS projects live in the browser. Install it from VS Code Extensions. How To Write JavaScript Inline JavaScript in HTML console.log("Hello, JavaScript!"); External JavaScript File Then in script.js: console.log("Hello from external JS file!"); Basic JavaScript Syntax Example // Output to console console.log("Welcome to JavaScript!"); // Variables let name = "Dhanian"; // Display variable console.log(name); Extra Resource for You! Take this JavaScript Ebook → Perfect for Beginners to Advanced! Grab your copy here:

Apr 10, 2025 - 06:26

# DAY 1 JAVASCRIPT INTRODUCTION & TOOLS SETUP

Introduction to JavaScript

JavaScript is one of the most powerful and widely-used programming languages in the world. It adds life to websites, making them dynamic, interactive, and responsive.

Whether you want to build beautiful frontend designs or powerful backend systems — JavaScript is a must-learn language for every developer.

Why Learn JavaScript?

Beginner-friendly & easy to start
Runs directly in your browser
Essential for frontend & backend development
Works with modern frameworks like React, Node.js, Vue.js, and Next.js
Huge demand in the tech industry

What Can JavaScript Do?

Make websites interactive
Handle form validations
Create animations & effects
Fetch data from APIs
Build mobile apps & games
Power server-side applications

How JavaScript Works Behind the Scenes

Every browser has its own JavaScript Engine that runs your code.

Browser	JavaScript Engine
Google Chrome	V8
Firefox	SpiderMonkey
Safari	JavaScriptCore
Edge	Chakra

Tools Setup for JavaScript Development

1. Text Editor / IDE

Recommended → Visual Studio Code (VS Code)

Download here → https://code.visualstudio.com/

Features:

Easy to use
Syntax highlighting
Extensions & Plugins
Integrated Terminal
Debugging support

2. Browser

Recommended → Google Chrome or Firefox

Reason → They have powerful developer tools for testing & debugging your code.

3. Node.js & NPM (Optional but Recommended)

Download here → https://nodejs.org/

Check Installation:

node -v
npm -v

4. Live Server Extension (VS Code)

Helps you run your HTML + JS projects live in the browser.
Install it from VS Code Extensions.

How To Write JavaScript

Inline JavaScript in HTML

External JavaScript File

Then in script.js:

console.log("Hello from external JS file!");

Basic JavaScript Syntax Example

// Output to console
console.log("Welcome to JavaScript!");

// Variables
let name = "Dhanian";

// Display variable
console.log(name);

Extra Resource for You!

Take this JavaScript Ebook → Perfect for Beginners to Advanced!

Grab your copy here: