Why isn't this working?

Question

What is supposed to happen is when you enter a password that is 3 or less characters long, there will be an alert box that says "please enter a password that is 4 or more characters long.".But the code is not working. Pls help out.
https://code.sololearn.com/WwvK4465QVbP/?ref=app

Answer 1

Are you not going to tell me the actual answer?