JavaScript面向对象精要总结的相关内容

文章 2017-05-02 来自：开发者社区

《JavaScript面向对象精要》——1.9　总结

本节书摘来自异步社区《JavaScript面向对象精要》一书中的第1章，第1.9节，作者：【美】Nicholas C. Zakas 译者：胡世杰更多章节内容可以访问云栖社区“异步社区”公众号查看。 1.9　总结 JavaScript中虽然没有类，但是有类型。每个变量或数据都有一个对应的原始类型或引用类型。5种原始类型（字符串、数字、布尔、空类型以及未定义）的值会被直接保存在变量对象中。除了空....

文章 2017-05-02 来自：开发者社区

《JavaScript面向对象精要》——1.9　总结

本节书摘来自异步社区《JavaScript面向对象精要》一书中的第1章，第1.9节，作者：【美】Nicholas C. Zakas著，更多章节内容可以访问云栖社区“异步社区”公众号查看 1.9　总结型以及未定义）的值会被直接保存在变量对象中。除了空类型，都可以用typeof来鉴别。空类型必须直接跟null进行比较才能鉴别。引用类型是JavaScript中最接近类的东西，而对象则是引用类型的实....

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