How to force browser not to cache JavaScript?

change the file name.
for example, you so script.js?123
instead of a number, i.e. I put the hash sum of the file

And maybe easier on the server side to include the script directly in the html? Each time you refresh the page, the script will restart. Usually this extra traffic, but in your case it will not be superfluous because you want to update the script constantly.

Set the correct headers with the web server.

In all browsers refresh the page with Ctrl+R. never had any problems with the cache.

In ff disabled all caching, atsunobu netwotk.http.use-cache to false.
Tough but worked.