How do you run a function in CodePen?

You can turn on autocomplete in your editor settings. Under “Editor Options”, check the “Autocomplete” check box . When autocomplete is enabled this way, you’ll see autocomplete suggestions as you type in the HTML, CSS, and JS panels of the editor.

You can turn on autocomplete in your editor settings. Under “Editor Options”, check the “Autocomplete” check box . When autocomplete is enabled this way, you’ll see autocomplete suggestions as you type in the HTML, CSS, and JS panels of the editor.

After writing the code in the Online react editor you can simply click on the Run button to execute the code . The output for React IDE code can be viewed on the right-hand side in the Result section. To add an extra image, javascript or css file simply click the + plus button icon: Paste the code and name the file.