반응형 javascript3 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. [React] react active app package.json description react-app/src/package.jsonreact : react is everything we need to actually create our react components.react-dom : react dom is how we add them to the page.react-scripts : react-scripts is how we handle all of our bunding. 2022. 12. 18. [React] React setting up 1. react developer tools extension. - Search "react developer tools" - Add "react developer tools" extension to my browser. 2. Check react developer tools extension - To check react developer tools extension, first acess Airbnb site. ( https://www.airbnb.ca/ ) Click the right mouse button and select "Inspect" from the pop-up screen displayed. - React-related items are displ.. 2022. 12. 15. 이전 1 다음 반응형