js 事件循环 永不阻塞 如何理解？-灵析社区

[https://www.jianshu.com/p/aa60ca7371b0](https://link.segmentfault.com/?enc=k%2F9j%2FHW1vSS1f9PvH53%2FlQ%3D%3D.3S%2F%2FQ2d7dHIB%2FA0WvyrP4HIjeD7snu0X4nLccCiC%2BtEdcVbFz%2BqKExjc1mYZv1cK) 看看这篇文章。你没理解阻塞的概念