Let’s say I have an element and I want to select the next matching sibling. Normally, in css I’d be able to write <some selector for this element> ~ <selector for sibling>, but the sibling combinators (~ and +) don’t seem to work when applied inside querySelector with the :scope pseudo-selector.

Let’s say that instead of looking at the ID, I want to select all a.href elements that contain (a piece of) this example: if document.url is "www.youtube.com".

Let’s say that instead of looking at the ID, I want to select all a.href that contain (a piece of) this example document.url “www.youtube.com”