js in depth: event loop & micro-task, macro-task & stack, queue, heap & thread, process
微任务，宏任务
堆栈，队列，堆
线程，进程
图解 js 事件循环
https://www.cnblogs.com/liangyin/p/9783342.html
https://blog.csdn.net/Fundebug/article/details/86487117
https://www.cnblogs.com/cangqinglang/p/8967268.html
