task_type: feature|bugfix|refactor
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.，更多细节参见搜狗输入法下载
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There are 58 Big Ten men’s basketball games scheduled to be broadcast exclusively on Peacock. Peacock Premium costs $10.99 per month or $109.99 per year.