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JavaScript之多线程和Event Loop - JavaScript进阶之路 - SegmentFault 思否
source link: https://segmentfault.com/a/1190000020889508
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几乎在每一本JS相关的书籍中，都会说JS是单线程的，JS是通过事件队列(Event Loop)的方式来实现异步回调的。 对很多初学JS的人来说，根本搞不清楚单线程的JS为什么拥有异步的能力，所以，我试图从进程、线程的角度来解释这个问题。
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