Answers for "how to make javascript wait for some seconds"

How to Wait 1 Second in JavaScript

function delay(time) {
  return new Promise(resolve => setTimeout(resolve, time));
}

delay(1000).then(() => console.log('ran after 1 second1 passed'));

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();
}