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你不知道的javascript #8

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WangYang-Rex opened this issue Oct 9, 2017 · 0 comments

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WangYang-Rex commented Oct 9, 2017 •

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1.函数对象的 length 属性是其声明的参数的个数
2.[].slice.call(argument) 可以把 argument 转换为 array

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