Uploaded December 2014 | Updated September 2026, 2 weeks ago
Learn how to validate your webpages with the W3C validator service.
Watch the next lesson: khanacademy.org/computing/computer-programming/sql/sql-basics/v/welcome-to-sql?utm_source=YT&utm_medium=Desc&utm_campaign=computerprogramming
Missed the previous lesson? khanacademy.org/computing/computer-programming/html-css/css-layout-properties/v/css-in-the-wild-google-maps?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!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Computer Programming channel: youtube.com/channel/UCzYDKG5mmfPPIosXuQ1PvEA?sub_confirmation=1
Subscribe to Khan Academy: youtube.com/subscription_center?add_user=khanacademy
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Learn how to validate your webpages with the W3C validator service.
Watch the next lesson: khanacademy.org/computing/computer-programming/sql/sql-basics/v/welcome-to-sql?utm_source=YT&utm_medium=Desc&utm_campaign=computerprogramming
Missed the previous lesson? khanacademy.org/computing/computer-programming/html-css/css-layout-properties/v/css-in-the-wild-google-maps?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!
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Computer Programming channel: youtube.com/channel/UCzYDKG5mmfPPIosXuQ1PvEA?sub_confirmation=1
Subscribe to Khan Academy: youtube.com/subscription_center?add_user=khanacademy
"
