JavaScript is a fundamental programming language for web development, enabling dynamic content and interactivity on websites. Let's dive into the essentials!

📌 What is JavaScript?

  • Core Purpose: Adds behavior to HTML pages
  • Execution: Runs in the browser (client-side)
  • Use Cases: Form validation, DOM manipulation, animations

javascript_logo

🧱 Basic Syntax

// Single-line comment
/*
Multi-line comment
*/

// Variables
let message = "Hello, World!";
const PI = 3.14159;

// Data Types
typeof 42; // "number"
typeof "text"; // "string"
typeof true; // "boolean"

🧪 Simple Examples

  1. Alert Box 

    alert("Welcome to JavaScript!");

  2. Console Logging 

    console.log("This is a log message.");

  3. Basic Math 

    let result = 5 + 3 * 2; // 11

📚 Further Learning

For a deeper dive into web development fundamentals, check out our guide:
Web Development Intro

code_editor