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Build, share, and learn JavaScript, CSS, and HTML with our online code editor. CodePen doesn't work very well without JavaScript. We're all for progressive enhancement, but CodePen is a bit unique in that it's all about writing and showing front end code, including JavaScript.
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1 lis 2021 · Learn how to sign up, create, and share Pens and Projects with CodePen, an online code editor for frontend development. CodePen supports HTML, CSS, and JavaScript, and offers various features and templates for different projects.
Learn how to use the Pen Editor to write HTML, CSS, and JavaScript code and see the results in the preview area. Find out how to save, share, and customize your Pens with different views and settings.