Tribhuwan-Joshi/Sleep.js

## Sleep.js
async function sleep(millis){
  return new Promise(res => setTimeout(res,millis) )   // return a promise that will resolve after  millis milliseconds
}

const t = Date.now();
sleep(100).then(()=>console.log(Date.now() - t ));
	async function sleep(millis){
	return new Promise(res => setTimeout(res,millis) ) // return a promise that will resolve after millis milliseconds
	}

	const t = Date.now();
	sleep(100).then(()=>console.log(Date.now() - t ));