Stuck at initializing the experiment

URL of experiment: Pavlovia

Description of the problem: Hi everyone. I’ve recently moved an experiment that I created in builder view to pavlovia and although it works well in my computer but while running online it gets stuck at the page initializing the experiment. I’ve read others’ posts on that but i couldn’t still solve the problem. Any help is appreciated.

When you say you’ve read other posts have you come across references to either my crib sheet or checking the browser console for the specific error?

Yes I read your crib sheet, made a code_JS component with necessary codes in it. But I don’t know how to check the browser console for error. I’m quite new to programming and these stuff. So is it possible to detail how can I do so?

I’m on my phone at the moment. Please search my crib sheet for console

This error is often due to importing libraries (which you can’t do)

Yes I checked the browser console and there wasn’t an error.
Do you think this problem is because I’m using python 3.8 in my system? Cause I moved the same experiment a few months ago and I didn’t have this error then. At that time I used python 3.6 and I don’t remember the version of psychopy then.