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new.target区分构造函数是否由 new 调用. #19

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zhangenming opened this issue Nov 20, 2017 · 1 comment

zhangenming commented Nov 20, 2017

https://www.zhihu.com/question/24753637

Owner

justjavac commented Nov 21, 2017

https://github.com/tc39/ecma262/blob/master/workingdocs/callconstructor.md

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