Fullscreen API
https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API/Guide Guide to the Fullscreen API This article demonstrates how to use the Fullscreen API to place a given element into full-screen mode, as well as how to detect when the browser enters or exits full-screen mode. developer.mozilla.org https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API 딱 두 개만 알면 풀 스크린을 다룰 수 있습니다. docume..