Challenge For A simple JavaScript

Question

Anyone is able to write a JavaScript for tempormonkey or grease monkey extension to refresh a specific url until it find a audio which is less than 5 minutes e.g, I'm working on call transcript project and i want to review calls less than 5 minutes.

Answer 1

Post your attempt here and ask your question regarding it.
Or, if you only want to post a challenge, you can do that here:
https://www.sololearn.com/Discuss/1270852/?ref=app

Answer 2

I need an answer not a shit