JavaScript custom wait for wait function instance analysis

This article demonstrates the use of the JavaScript custom wait wait function as an example. Share with you for your reference. The specific analysis is as follows:

Here is a custom js wait function that suspends the execution of the program

function sleep(delay)
{
  var start = new Date().getTime();
  while (new Date().getTime() < start + delay);
}
//usage
//wait for 3 seconds
sleep(3000);

I hope this article has been helpful to your javascript programming.