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【JS迷你书】类型转换之拆箱操作
source link: https://juejin.im/post/5ccfb58f518825405a198fcd
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众所周知，JS 中共有 7 种数据类型：Undefined、Null、Boolean、Number、String、Symbol 和 Object。前 6 者是基本类型，Object 是引用类型。 《类型转换之装箱操作》一文中说，因为 JS 是弱类型语言，我们可
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