how to wait delay 2 seconds in javascript code example

Example 1: javascript wait 10 seconds

setTimeout(function () {
        // ...
    }, 10000);

// or

.then(() => {
  // ...
  ({ timeout: 10000 });
      });

Example 2: javascript delay some seconds

let ms = 50; // This is the amount of ms you want your code to wait!
let start = new Date().getTime();
let end = start;
while(end < start + ms) {
  end = new Date().getTime();
}