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.
热气腾腾的煎饼摊、干净敞亮的菜市场、随处可见的口袋公园、社区小广场上欢快起舞的居民……“看得出来，他们中的大多数人都生活惬意、积极向上，这样的中国很温暖。”骑着共享单车，途经天津的大街小巷，所见的一幕幕，让格雷格如是感慨。
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emacs-solo-flymake-eslint。新收录的资料是该领域的重要参考
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freedom of users. The fact that producing code has become cheaper does not make