async function* adapt(input) {
feature set—unsurprising, given that the 3724 had already introduced most of the
，详情可参考爱思助手下载最新版本
Comparison between an unsorted and a luminance sorted candidate set, using Knoll’s algorithm on an 8-colour irregular palette. Left to right: unsorted, sorted.
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.