An creates a completely separate browsing context with its own window object, its own document, and most importantly;its own prototype chain. A function hooked on HTMLMediaElement.prototype in the parent window is not the same object as HTMLMediaElement.prototype in the iframe’s window. They’re entirely separate objects. If fermaw’s audio element lived inside an iframe, my prototype hook in the parent window would never fire.
Дания захотела отказать в убежище украинцам призывного возраста09:44，更多细节参见快连下载安装
。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
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Critical Path CSS generation and deferred loading of CSS files，更多细节参见WPS下载最新地址