JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2026 version. Start learning JavaScript now With our Try it Yourself editor, you can edit the source code.

JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web.

Although Java and JavaScript are similar in name and syntax, the two languages are distinct and differ greatly in design. The first popular web browser with a graphical user interface, Mosaic, was released.

Understanding the Context

JavaScript provides a versatile set of data structures that help in efficient data storage, manipulation, and problem-solving. In this section, we will explore each data structure and algorithm.

JavaScript Tutorial provides you with many practical tutorials that help you learn JavaScript from scratch quickly and effectively.

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

You will find resources and examples for JavaScript beginners as well as support for JavaScript experts. Learn JavaScript or free with our easy to use input output machine.

Key Insights

Learn how to use JavaScript a powerful and flexible programming language for adding website interactivity. You interact with JavaScript code all the time you just might not realize it.

A brief history of JavaScript and an overview of its basic rules. Learn how to use JavaScript's null and undefined data types. An introduction to JavaScript function expressions. Call functions using the.

JavaScript is a versatile, dynamically typed programming language that brings life to web pages by making them interactive. It is used for building interactive web applications, supports both.