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.
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儘管經歷了被關押的三個月，但劉亮認為，在扣留中心裡面，自己能夠得到比較人道的待遇，「他們會根據你的身體吃不同的飲食......一日三餐會根據不同營養的搭配，包括醫療，你只要跟officer（長官）報告，他們都能讓你即時就醫。」，这一点在快连下载安装中也有详细论述
Kacper Rozanski operates Shadow Robot hands