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Aug152016
解析Object.prototype.toString.call()进行数据类型判断
首先看一段ECMA中对Object.prototype.toString的解释： 1.If the this value is undefined, return "[object Undefined]". 2.If the this value is null, return "[object Null]". 3.Let O be the result of calling ToObject passing the this value as the argument. 4.Let class be the value of the [[Class]] internal property of O. 5.Return the String value that is the result o...阅读全文作者：cywcd | 分类：javascript | 阅读： 9,379 次 | 标签：toString抢沙发