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JavaScript Tutorial


JavaScript is the programming language of HTML and the Web.

Programming makes computers do what you want them to do.

JavaScript is easy to learn.

This tutorial will teach you JavaScript from basic to advanced.

Examples in Each Chapter

With our "Try it Yourself" editor, you can change all examples and view the results.


My First JavaScript

Try it Yourself »

We recommend reading this tutorial, in the sequence listed in the left menu.

Learn by Examples

Examples are better than 1000 words. Examples are often easier to understand than text explanations.

This tutorial supplements all explanations with clarifying "Try it Yourself" examples.

If you try all the examples, you will learn a lot about JavaScript, in a very short time!

Why Study JavaScript?

JavaScript is one of the 3 languages all web developers must learn:

   1. HTML to define the content of web pages

   2. CSS to specify the layout of web pages

   3. JavaScript to program the behavior of web pages

This tutorial is about JavaScript, and how JavaScript works with HTML and CSS.

Learning Speed

In this tutorial, the learning speed is your choice.

Everything is up to you.

If you are struggling, take a break, or reread the material.

Always make sure you understand the "Try-it-Yourself" examples and exercises.

JavaScript References

TheBestTutorials maintains a complete JavaScript reference, including all HTML DOM, and browser objects.

The reference contains examples for all objects, properties, and methods, and is continuously updated according to the latest web standards.

Complete JavaScript Reference

JavaScript Quiz Test

Test your JavaScript skills at TheBestTutorials!

Start JavaScript Quiz! 

Did You Know?

JavaScript and Java are completely different languages, both in concept and design.
JavaScript was invented by Brendan Eich in 1995, and became an ECMA standard in 1997.
ECMA-262 is the official name. ECMAScript 6 (released in June 2015) is the latest JavaScript version.