Answers for "js delay async function"

javascript async delay

const delay = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

(async () => {
  console.log('1');
  await delay(1000);
  console.log('2');
})();

javascript sleep

function sleep(milliseconds) {
  const date = Date.now();
  let currentDate = null;
  do {
    currentDate = Date.now();
  } while (currentDate - date < milliseconds);
}

console.log("Hello");
sleep(2000);
console.log("World!");

node js async delay

const { promisify } = require('util');

const delay = promisify(setTimeout);

// Usage:
(async () => {
  console.log('1');
  await delay(1000);
  console.log('2');
})();