Problem with offline experiment

If this template helps then use it. If not then just delete and start from scratch.
Hello everyone,
I am new in psychopy and I would like to run an experiment on a tablet without internet connection. I would like to use javascript experiment, so I used the “extract to HTML” by the builder. However, when I run the index.html it stay at “initialising the experiment”. I try using pavlovia and is work well when I choose pilot.
here the link:
Thank you for your help,

I up my topics because I still do not find way to solve my problem.
Is someone know how to solve my problem?

Thank you,