Changing variable by html button

Question

I\'m learning javascript and I decided to create simple Rock, Paper, Scissors game. I want to make it controllable by buttons. So I made this in html:

Answer 1

The other answers are fixing some issues. There is also a problem with the way you're calling the functions as you're passing rock as a variable, you need to use a string:

Rock

Unless you're declaring the variables somewhere but it's not shown in your code.