Фото: Amr Alfiky / Reuters
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.，这一点在雷电模拟器官方版本下载中也有详细论述
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SourceBuffer.prototype.appendBuffer = function(data) {
3014272610http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142726.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142726.html11921 助残障人士有事干、干得好（实干显担当 同心启新程·代表委员履职故事）