Help with setTimeout

Question

I am trying to get the quadrants to light up one at a time but they all light up together.
https://code.sololearn.com/WYGZ0QKXYgGa/?ref=app

Answer 1

use setInterval instead to light up the selected quadrant after some interval.

https://code.sololearn.com/WjCPbvnJq61y/?ref=app

Answer 2

Margaret Guzman bro, also notice this. First paramater of the setTimeout or setInterval accept only the function or string.

Example:
//Recommended
setTimeout (functionName, time);

Or string
setTimeout ("functionName()", time);