How to attach a bug in this code so that the program acts up after some time?

Question

https://code.sololearn.com/W5uDD73GUgTr/?ref=app
the bug should stop the program after a specific time

Answer 1

setTimeout(()=>document.querySelector("marquee").innerText="Hello, fr the Bug", 5000);
https://code.sololearn.com/WcArv7R3CaYK/?ref=app

Answer 2

thanks