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TobiasYin

TobiasYin

V2EX member #411625, joined on 2019-05-12 23:03:40 +08:00
  •   The specified image does not exist
    TobiasYin's recent replies
    Jun 3, 2019
    Replied to a topic by eachann › 程序员 › javascript 一个很牛逼的发现
    探究了一下,+typeof(x) == 'object' 是 false, 而 typeof(x) == 'object'是 true,主要原因其实是字符串没有正负的操作,所以+typeof(x) 是 nan,而 nan 不等于任何东西。所以造成了这样的结果。
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