Accessing iframes from a Chrome content-script extension

Question

I\'m writing a Chrome extension that needs to alter a popular web app when loaded. Unfortunately, most of the UI of that web app is rendered inside an iframe, and although t

Answer 1

I've resolved the problem. The following option has to be specified in the content_scripts section of the manifest.json: "all_frames": true. Without it, the script is only applied to the top frame.

// Sometimes one just has to RTFM carefully.