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.
When asked about that capability Thursday by The Associated Press, Burger King said the intent is to use Patty as a coaching tool, not a tracker of individual employees.
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Why are resident doctors striking and how much are they paid?
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Publication date: 28 February 2026
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