Implementing JS in HTML

Question

I know html and JavaScript quite well but, I want to perform JavaScript if you touch a button.

So if you hit a link in html it performs JavaScript
How do you do that?

Or am I just dumb to not know that?

Answer 1

EventListeners, refer:
https://www.sololearn.com/learn/JavaScript/2758/

Answer 2

Thank you I thought it wouldn’t be there but thanks

Answer 3

Thank you also