출처. https://www.youtube.com/watch?v=JB_yU6Oe2eE&t=1053s JS꽃 동기와 비동기라니 C언어의 꽃 포인터가 생각나는 건 나뿐인가...? 어쨌든 어렵고 그만큼 강력하기에 꽃이라고 했겠지? 'use strict'; // Promise is a JavaScript object for asynchronous operation. // State: pending -> fulfilled or rejected // Producer vs Consumer // 1. Producer // when new Promise is created, the executor runs automatically. const promise = new Promise((resolve, reject) => ..