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Table of contents
JS Basic
JS HOME
JS Introduction
JS How To
JS Where To
JS Statements
JS Comments
JS Variables
JS Operators
JS Comparisons
JS If...Else
JS Switch
JS Popup Boxes
JS Functions
JS For Loop
JS While Loop
JS Break Loops
JS For...In
JS Events
JS Try...Catch
JS Throw
JS onerror
JS Special Text
JS Guidelines

JS Objects
JS Objects Intro
JS String
JS Date
JS Array
JS Boolean
JS Math
JS RegExp
JS HTML DOM

JS Advanced
JS Browser
JS Cookies
JS Validation
JS Animation
JS Image Maps
JS Timing
JS Create Object
JS Summary

Examples/Quiz
JS Examples
JS Object Examples
JS DOM Examples
JS Quiz
JS Exam

JS References
JS Objects
JS HTML DOM

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JavaScript Tutorial

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JavaScript Tutorial

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JavaScript is THE scripting language of the Web.

JavaScript is used in millions of Web pages to add functionality, validate forms, detect browsers, and much more.

JavaScript is easy to learn! You will enjoy it!

Start learning JavaScript now!


JavaScript Examples

Learn by 100 examples!

With our editor, you can edit the source code, and click on a test button to view the result.

JavaScript Quiz Test

Test your JavaScript skills at W3Schools!

Start JavaScript Quiz! 

JavaScript References

At W3Schools you will find complete references of all JavaScript objects and the HTML DOM objects.

JavaScript Exam - Get Your Diploma!

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Get Your Diploma!

W3Schools' Online Certification Program is the perfect solution for busy professionals who need to balance work, family, and career building.

The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.

The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM.

The XML Certificate is for developers who want to document their knowledge of XML, XML DOM and XSLT.

The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.

The PHP Certificate is for developers who want to document their knowledge of PHP and SQL (MySQL).



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