/*
The setTimeout() function takes two arguments. One for the function to call and one for
the time delay in milliseconds.
*/
//Example for alerting a user after 1 hour.
function timeUp(){
alert("You have crossed your screen time limit.");
location.reload();
}
setTimeout(timeUp, 3.6 * Math.pow(10, 6)); //1 hour = 3.6 * 10^6 milliseconds.