A proper sleep function for Javascript ES2017

gistfile1.txt

// Taken from
// https://stackoverflow.com/questions/951021/what-is-the-javascript-version-of-sleep/39914235#39914235

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

async function demo() {
  console.log('Taking a break...');
  await sleep(2000);
  console.log('Two second later');
}

demo();