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JavaScript中的JS引擎的执行机制

 6 years ago
source link: https://juejin.im/post/5a61a6786fb9a01cc026522c
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一. JavaScript是单线程的 为什么呢 ? 首先JavaScript语言的一大特点就是单线程, 通俗点说就是, 同一个时间只能做一件事.那么会又有新的问题, JavaScript为什么不能有多个线程呢 ? JavaScript最初被设计用在浏览器中,

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