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JavaScript 事件循环及异步原理（完全指北）
source link: https://juejin.im/post/5bc1adc45188255c82553921
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引言 最近面试被问到，JS 既然是单线程的，为什么可以执行异步操作？ 当时脑子蒙了，思维一直被困在 单线程 这个问题上，一直在思考单线程为什么可以额外运行任务，其实在我很早以前写的博客里面有写相关的内容，只不过时间太长给忘了，所以要经常温习啊：（浅谈 Gene
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