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 …

If it's using a matching preprocessor, use the appropriate URL Extension and we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency. Learn more

Jul 28, 2024 · By following these steps, you can set up and use React with ES6 in CodePen, allowing you to quickly prototype and share React applications.

Jun 24, 2020 · In this guide, we’re going to create a simple Hello World! program using React on CodePen. First thing first, create a new pen on CodePen. Once done, go to the Settings (see top right of the page).

Apr 27, 2023 · The VScode requires setting for writing React.js code and Many beginners faced difficulty to use VScode so, for them, it is good and easy to use codepen. The codepen provide you with an online platform to create react, HTML, CSS, and JavaScript project.

Jan 5, 2022 · I decided to complete the package by creating codepen exercises 📝 and a video 📺 to follow up on that effort as one will need to code following the technical interview questions. Also, I added potential solutions for the exercises which is listed below.

Jul 21, 2016 · Try using React in two popular playgrounds, Codepen and JSFiddle. These platforms give you speedy setups to jump into experimenting with React outside the context of a full web app.

Feb 1, 2023 · Learn how to run react in codepen directly without importing the files through CDNs or any online platform, with Babel.

Aug 26, 2014 · But, you can use React on CodePen! You either: Don’t use the JSX part and use the React.DOM.div type stuff instead. Or, link up this fancy little script that makes it work! Here’s that fancy script (or here). Big thanks to Mark Funk for adapting this script to work on CodePen!

Mar 4, 2019 · If you really want to use CodePen, you need to add react as a JS dependency. Click on “Settings” at the top of your pen, then “Javascript” in the pop-up. Under “javascript preprocessor”, select Babel, and under “add external scripts/pens”, type “react”.