CodePen is a great place to learn and work on coding web-based and front-end projects . The challenges are fun and engaging and the community is very supportive. CodePen is an excellent web-based IDE for web and front-end development. The site supports HTML, CSS, JavaScript and more.
Read moreWhich is better CodePen or JSFiddle?
JSFiddle is more about sharing problems, asking questions or posting solutions to issues (users on StackOverflow pretty much use JSFiddle to share code exclusively), while CodePen is for sharing eye-candy stuff – snippets, UI patterns and such.
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