জাভাস্ক্রিপ্ট

Tutorials

Learn how to program with JavaScript.

Introductory

JavaScript Guide

If you are new to JavaScript, this guide will walk you through the language.

JavaScript technologies overview

Introduction to the web browser JavaScript landscape.

Introduction to Object Oriented JavaScript

Introduction to the concepts of object oriented programming in JavaScript.

Intermediate

A re-introduction to JavaScript

An overview for those who think they know about JavaScript.

JavaScript data structures

Overview of available data structures in JavaScript.

Equality comparisons and sameness

JavaScript provides three different value-comparison operations: strict equality using === and loose equality using ==.

Advanced

Inheritance and the prototype chain

Explanation of the widely misunderstood and under-estimated prototype-based inheritance.

Strict mode

A restricted variant of JavaScript.

JavaScript typed arrays

JavaScript typed arrays provide a mechanism for accessing raw binary data.

Memory Management

Memory life cycle and garbage collection in JavaScript.

Reference

Browse the complete JS reference documentation.

Standard objects

Get to know standard built-in objects Array, Boolean, Date, Error, Function, JSON, Math, Number, Object, RegExp, String, Map, Set, WeakMap, WeakSet, and others.

Expressions & operators

Learn more about the behavior of JavaScript's operators instanceof, typeof, new, this, and more.

Statements & declarations

Learn how do-while, for-in, for-of, try-catch, let, var, const, if-else, switch, and more JavaScript statements and keywords work.

Functions

Learn how to work with JS functions to develop your applications.

Tools & resources

Helpful tools while writing and debugging your JavaScript code.

Firefox Developer Tools

Scratchpad, Web Console, JavaScript Profiler, Debugger, and more.

Firebug

Edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

JavaScript Shells

A JavaScript shell allows you to quickly test snippets of JavaScript code.

TogetherJS

Collaboration made easy.

Stack Overflow

Stack Overflow questions tagged with "JavaScript".

JavaScript versions and release notes

Browse JavaScript's feature history and implementation status.