Whenever i use alert, prompt or confirm, all the graphics disappear after executing it. How will i do it to make it stay?

Question

Disappearance of the HTML elements...
https://code.sololearn.com/WqcmIWxw4KO8/?ref=app

Answer 1

Really?

Answer 2

How do i insert it?

Answer 3

Graphics stays at me :/

Answer 4

Joseph Onipede insert what?