Please help me to figure out what is wrong in this code![Solved]

Question

Down below is a sample code of a canvas project.it displays circles when clicked on screen..so,I'd did this in a different code editor app in my mobile and it worked,but in here sololearn it doesn't work... please tell me why this is happening....

https://code.sololearn.com/WVlMYsunTnTH/?ref=app

Answer 1

Dark Stream

Write inside window.onload function.

https://code.sololearn.com/WmH1uBQRgjIV/?ref=app

Answer 2

Ok thanks😇👍