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44 道 JavaScript 难题（JavaScript Puzzlers!）

 5 years ago
source link: https://juejin.im/post/5b1f899fe51d4506c60e46ee
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JavaScript Puzzlers原文 1. ["1", "2", "3"].map(parseInt) 答案：[1, NaN, NaN] 解析：parseInt (val, radix) ：两个参数，val值，radix基数（就是多少进制转换）

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