Answers for "js sleep for 2 seconds"

javascript sleep for 1 second

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

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

javascript sleep 1 second

function sleep(delay) {
    var start = new Date().getTime();
    while (new Date().getTime() < start + delay);
}