而这种“消失”并非偶然，而是一场持续数年的缓慢退潮。
let list of candidates = N closest colours to pixel
。51吃瓜是该领域的重要参考
writable: false means no code can reassign window.Audio to a different value. configurable: false means no code can even call Object.defineProperty again to change those settings. If fermaw’s initialisation code tried to restore the original Audio constructor (a perfectly sensible defensive move) the browser would either fail or throw a TypeError. The hook was permanent for the lifetime of the page.
// Async variants