Append number to array on click

Question

Ide is when the user click on a picture certain number is appended to the array.I have tried something but it doesn't work.

Code:

HTML: https://pastebin.com/8VHcYrAQ

JS: https://pastebin.com/ZC9jdMev

Output, for now, look like this: https://imgur.com/a/Bx4KF4j

Answer 1

Use code playground to share your code here. Just save the code there, then edit your question, adding the link to your code with + button.
Then, explain what is wrong. "Doesn't work" demands one to guess...