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in Technique[技术] by (71.8m points)

js书上的一个问题

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都是返回一个函数的引用为什么不添加括号会错误呢?


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没打括号,小括弧结合的是{},打了括号,先计算括号里面的,再和调用括弧结合,大概是这个意思。


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