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JeOam/macrotask.md

Created October 15, 2017 07:34
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  1. JeOam revised this gist Oct 15, 2017. 1 changed file with 4 additions and 2 deletions.
    6 changes: 4 additions & 2 deletions macrotask.md
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    一个事件循环(EventLoop)中会有一个正在执行的任务(Task)，而这个任务就是从 macrotask 队列中来的。在[whatwg](https://html.spec.whatwg.org/multipage/webappapis.html#task-queue)规范中有 queue 就是任务队列。当这个 macrotask 执行结束后所有可用的 microtask 将会在同一个事件循环中执行，当这些 microtask 执行结束后还能继续添加 microtask 一直到真个 microtask 队列执行结束。

    * **macrotasks**: setTimeout setInterval setImmediate I/O UI渲染
    * **microtasks**: Promise process.nextTick Object.observe MutationObserver
    * **macrotasks**: `setTimeout` `setInterval` `setImmediate` I/O UI渲染
    * **microtasks**: `Promise` `process.nextTick` `Object.observe` `MutationObserver`

    via [click](https://github.com/ccforward/cc/issues/48)
  2. JeOam created this gist Oct 15, 2017.
    4 changes: 4 additions & 0 deletions macrotask.md
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    一个事件循环(EventLoop)中会有一个正在执行的任务(Task)，而这个任务就是从 macrotask 队列中来的。在[whatwg](https://html.spec.whatwg.org/multipage/webappapis.html#task-queue)规范中有 queue 就是任务队列。当这个 macrotask 执行结束后所有可用的 microtask 将会在同一个事件循环中执行，当这些 microtask 执行结束后还能继续添加 microtask 一直到真个 microtask 队列执行结束。

    * **macrotasks**: setTimeout setInterval setImmediate I/O UI渲染
    * **microtasks**: Promise process.nextTick Object.observe MutationObserver