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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，这一点在safew官方版本下载中也有详细论述
四是强化数据管理。首次对效应标志物检测、生物监测数据的采集、核查和处理提出了规范性要求。（e公司），更多细节参见爱思助手下载最新版本
Chelsea made a financial loss of £355m in the 2024-25 season, according to new data released by Uefa, the biggest deficit ever recorded by an English football club.
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