Can someone help me figure out why the JS code isn't working ?

Question

I want the Paragraph to disappear on clicking but It is not working. Help please.

https://code.sololearn.com/WIMRqk2K2tb1/?ref=app

Answer 1

https://code.sololearn.com/WSK82W1G5cSy/#html

Answer 2

thanks a lot Mohamed ELomari . You helped understand a big concept here.