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面试精选之Promise
source link: https://juejin.im/post/5b31a4b7f265da595725f322
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前端面试过程中，基本都会问到Promise，如果你足够幸运，面试官问的比较浅，仅仅问Promise的使用方式，那么恭喜你。事实上，大多数人并没有那么幸运。所以，我们要准备好九浅一深的知识。 不知道读者有没有想过，为什么那么多面试官都喜欢问Promise？可以
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