JavaScript Learning Roadmap

From beginner to advanced – your complete guide to mastering JavaScript, the language of the web

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JavaScript Fundamentals

Learn the core concepts and syntax

Learn about var, let, const and primitive data types

Arithmetic, comparison, and logical operators

If/else statements, switches, and ternary operators

For, while, and do-while loops for repetition

Working with functions and complex data

Function declarations, expressions, and arrow functions

Creating, accessing, and manipulating arrays

Working with objects, properties, and methods

JavaScript Object Notation for data interchange

Interacting with web pages

Selecting elements with querySelector and getElementById

Changing content, styles, and attributes of elements

Moving between parent, child, and sibling elements

Responding to user interactions like clicks and keypresses

Advanced concepts and browser APIs

Callbacks, promises, and async/await for async operations

Making HTTP requests to servers and APIs

Modern JavaScript features like destructuring and modules

Using localStorage and sessionStorage for data persistence