#How to Add an External Resource Click the gear in the upper left corner of the JS or CSS editor . You’ll see the options pane for that editor. There is a text input where you can add the URL for your resource. If you don’t have a URL to add, you can use our resource search to find the library you need.
Read moreHow do I run code on 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).
Read moreHow do I add a script to CodePen?
You can add JavaScript libraries to your Pen through the JavaScript settings menu . There are two ways to access the JavaScript settings menu. For quickest access, click the gear icon in the upper left of the JS editor panel. That opens the Pen Settings menu with the JavaScript tab automatically selected.
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