onclick and addEventListener doesn't seem to work in the code playground

Question

This code works completely fine on the web, but doesn't in the editor :/
web: wafflenet.ml/console
sololearn: https://code.sololearn.com/WF193sL40X6u/#js

Answer 1

Replace
main.js
with
http://wafflenet.ml/main.js
and it will work.