series and parallel by async / await
async / await로 비동기잡들을 순서대로 혹은 병렬로 실행 시키는 방법을 공유한다.
ts code
let delayFn = (delayTime) => new Promise((resolve) => {
console.log(delayTime);
setTimeout(() => resolve(delayTime), delayTime);
});
async function asyncMain() {
const result = [];
for (const delayTime