Click the button while in a Codelab doc tab (a well-formatted Google Doc) to open a preview of the Codelab as it will appear on the…
Click the button while in a Codelab doc tab (a well-formatted Google Doc) to open a preview of the Codelab as it will appear on the Codelab website. Click the button on a published codelab to open the source doc (if you have access).