반응형 Frontend1 Frontend Interview Question and Answer. What is a JavaScript promise? A JavaScript Promise is an object representing the eventual completion or failure of an asynchronous operation. It allows you to handle asynchronous operations more easily by providing a way to write asynchronous code in a more synchronous-like way, which can improve readability and maintainability. What is the difference between .map and .forEach in JavaScript? In .. 2024. 3. 18. 이전 1 다음 반응형