How to add an image to all pages in the browser (Chrome API)?

Question

JavaScript

You need to add a functional javascript image to all open tabs. What do I need to use, content_script or background script, and what do I need to implement it?

https://developer.chrome.com/extensions/overview

Answer 1

You need content_script.
Sounds ominous, to be honest. It's better not to sculpt pictures in all tabs :-)