You may not want your JavaScript to re-execute every time you press a key . To turn that off, open the JavaScript settings and UN-check the Auto Run? checkbox. When that setting is un-checked, you’ll see a Run button exposed that you need to explicitly press in order to re-run the JavaScript.
Read moreHow do you run something in CodePen?
By default, every time you save your project runs and automatically updates the preview. You can save and run your project by clicking the “Save All + Run” button in the header . You can also use the keyboard shortcut to save your current file (Command + S for Mac, CTRL + S for PC).
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