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Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Closures

JS Classes

Class Intro Class Inheritance Class Static

JS Async

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JS HTML DOM

DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists

JS Browser BOM

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JS AJAX

AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples

JS JSON

JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP

JS vs jQuery

jQuery Selectors jQuery HTML jQuery CSS jQuery DOM

JS Graphics

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JS Examples

JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Certificate

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JavaScript Objects HTML DOM Objects

JavaScript. W3Schools in English. Lessons for beginners

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W3Schools JavaScript Certificate

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w3schools CERTIFIED . 2021   

W3Schools offers an Online Certification Program.

The perfect solution for busy professionals who need to balance work, family, and career building.

More than 30 000 certificates already issued!
w3schools CERTIFIED . 2021

W3Schools offers an Online Certification Program.

The perfect solution for busy professionals who need to balance work, family, and career building.

More than 30 000 certificates already issued!

Document Your Skills

Knowledge is power, especially in the current job market. Documentation of your skills enables you to advance your career, or help you to start a new one.

Get a Certificate

Getting a certificate proves your commitment to upgrade your skills, gives you the credibility needed for more responsibilities, larger projects, and a higher salary.


Get Your Certificate »

 W3Schools JavaScript Certificate

How Does It Work?

  • Study for free at W3Schools.com
  • Study at your own speed
  • Test your skills with W3Schools online quizzes
  • Apply for your certificate by paying an exam fee
  • Take your exam online, at any time, and from any location
Note. All exercises are done on the original site W3Schools.com. Also, you can get all the Certificates only on the official website!
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