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183.变量类型 #183

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webVueBlog commented on Apr 15, 2020

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JavaScript是一种“动态类型语言”,这意味着不同于其他一些语言(译者注:如C、JAVA),您不需要指定变量将包含什么数据类型(例如number或string)

typeof的特殊的操作符 ——它会返回所传递给它的变量的数据类型。

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          183.变量类型 · Issue #183 · weekCodeing/interview-answe