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.
（三）利用虚拟货币、其他网络虚拟财产为他人提供资金流转服务的。
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In addition to the groups behind the celeb bait ads, Meta says that it's upgraded its ability to detect scam ads that use cloaking, which has at times hindered its internal review systems. The company also sued a Vietnam-based advertiser it says used scam ads to hawk "deeply discounted items from well-known brands," including Longchamp.