JavaScript expert need — 2

DO NOT BID on my project if you are Indi, paki, and nigeria developers
Don’t bid if you have not experience of building browser extension.
We have a partially developed JavaScript browser extension that is intended to perform the following task:

Once on the following page is visited:

https://www.sat1.de/tv/auf-streife/video/122-alkohol-am-steuer-clip/?utm_medium=affiliate&utm_source=oliro&utm_campaign=4711%7Boriginal_subid%7D

1. player didn’t start n tabunder

Some 90% of the work has been done, but requires completion.