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从setTimeout/setInterval看JS线程 | 软硬皆施
source link: http://palmer.arkstack.cn/2017/12/%E4%BB%8EsetTimeout-setInterval%E7%9C%8BJS%E7%BA%BF%E7%A8%8B/?
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最近项目中遇到了一个场景，其实很常见，就是定时获取接口刷新数据。那么问题来了，假设我设置的定时时间为1s，而数据接口返回大于1s，应该用同步阻塞还是异步？我们先整理下js中定时器的相关知识，再来看这个问题。
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