HTML and CSS Reference
Figure 9.8. The first thing you'll do is set up the intro screen logic. After that, you'll create the triangular player
between the words Geometry and Destroyer , which you haven't seen previously.
Step 1: Capture user input
In your js folder, create and/or open run.js in the text editor of your choice. You should
notice that it's completely blank. Set up the game's basic input monitor and methods by in-
serting everything into a self-executing function with the following listing in run.js. Make
sure to place all code from here on out in this self-executing function to prevent variables
from leaking into the global scope.