胡申霖 2021-02-10 16:37 开发者_开发技巧原句是：长亭外，古道边。 歌名《送别》 （电影《厨子戏子痞子》片尾曲)
It seems that in Javascript, if you have a reference to some DOM element, and then modify the DOM by adding additional elements to document.body, your DOM reference becomes invalidated.
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