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.
据灯塔专业版数据，《飞驰人生 3》在今年春节档继续保持强劲走势。截至昨天 13 时，影片累计票房突破 30 亿元，成为档期内表现最突出的国产商业片之一。
。业内人士推荐搜狗输入法下载作为进阶阅读
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Screen size: 201 inches
绝大多数人买苹果的手机配件，应该都是点进来，看看价格，关掉网页去买国产平替。