Changing CSS classes | HTML/JS: Making webpages interactive | Computer Programming | Khan Academy @khanacademycomputing9067
Changing CSS classes | HTML/JS: Making webpages interactive | Computer Programming | Khan Academy  @khanacademycomputing9067
Uploaded February 2015 | Updated September 2026, 3 weeks ago
Created by: pamela (KA teacher)

Practice this lesson yourself on KhanAcademy.org right now:
khanacademy.org/computing/computer-programming/html-css-js/html-js-dom-modification/p/challenge-classification?utm_source=YT&utm_medium=Desc&utm_campaign=computerprogramming

Watch the next lesson: khanacademy.org/computing/computer-programming/html-css-js/html-js-dom-modification/p/setting-innerhtml-and-textcontent?utm_source=YT&utm_medium=Desc&utm_campaign=computerprogramming

Missed the previous lesson? khanacademy.org/computing/computer-programming/html-css-js/html-js-dom-modification/p/changing-styles?utm_source=YT&utm_medium=Desc&utm_campaign=computerprogramming

Computer Programming on Khan Academy: Learn how to program drawings, animations, and games using JavaScript & ProcessingJS, or learn how to create webpages with HTML & CSS. You can share whatever you create, explore what others have created and learn from each other!

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Changing CSS classes | HTML/JS: Making webpages interactive | Computer Programming | Khan Academy

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