Why addEventListener is not working in SoloLearn Console?

Question

Guys help me solve this problem.. working pretty well on my pc but showing "TypeError“ in the SoloLearn console

https://code.sololearn.com/WQFx0o796uml/?ref=app

Answer 1

https://www.sololearn.com/post/7444/?ref=app

https://www.sololearn.com/discuss/1557474/?ref=app
https://www.sololearn.com/discuss/1469777/?ref=app
https://www.sololearn.com/discuss/1624551/?ref=app

Answer 2

Burey thank you so much.. it helped 😋.. now its working