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patch.js文件的一行代码疑惑 #14
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childNodes 是动态的, 添加删除节点会发生改变 |
好的,谢谢! |
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阅读patch.js源代码的时候发现这句代码:
不是很理解,
因为此代码上面做了数组转化赋值:
不太明白这个条件判断是为啥?
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