Why my click listener doesn't work on phones?

Question

https://code.sololearn.com/WyB4W1uELW1G/?ref=app

Answer 1

FF9900 I used that before and same result, I use it again to see what happened

Answer 2

FF9900 thanks for fixing it, what was wrong?

Answer 3

FF9900 wow, I forgot to use widows on load😅

Answer 4

FF9900 thanks again, I will use onload method from now on