script.js
const greeting = "Hello";
function welcome(name) {
return `${greeting} ${name}!`;
}
console.log(welcome("Dev"));
⚡
ES6+Async/AwaitDOMEvents
JavaScript brings web pages to life. Learn variables, functions, async programming, and DOM manipulation to create dynamic, interactive experiences.
Free Tutorial
Learn JavaScript - The Complete Guide
Master JavaScript from fundamentals to advanced concepts. Each topic includes detailed explanations and practical code examples. Perfect for beginners and developers looking to level up their JS skills.
📋 Prerequisites
You should know HTML and CSS basics before learning JavaScript. JS interacts with HTML elements, so understanding the DOM structure is helpful.
JavaScript Topics (15 Lessons)
1→
Introduction
What JavaScript is and where it's used
2→
Variables
let, const, var
3→
Data Types
Primitives and objects
4→
Operators
Arithmetic, comparison, logical
5→
Control Flow
if, switch, loops
6→
Functions
Declarations, expressions, arrow functions
7→
Scope & Closures
Local vs global scope and closures
8→
Arrays
List-like objects and common methods
9→
Objects
Key/value maps and prototypes
10→
DOM Manipulation
Selecting and updating elements
11→
Events
User interaction handling
12→
Asynchronous JS
Callbacks, Promises, async/await
13→
Modules
ES Modules and import/export
14→
Debugging
Console, breakpoints, devtools
15→
Modern JS (ES6+)
Let/const, arrow functions, destructuring
Related Learning Resources
JavaScript works together with HTML and CSS to create complete web applications. Make sure you have a solid foundation in all three technologies.