[TOC] # Concurrent 模式介紹 官網: https://zh-hans.reactjs.org/docs/concurrent-mode-intro.html # 參考 [深入剖析 React Concurrent](https://zhuanlan.zhihu.com/p/60307571) [時間切片（Time Slicing）](https://juejin.im/post/5ce249896fb9a07ea712e26e) The tracing API Brian mentions at [40:54](https://www.youtube.com/watch?v=ByBPyMBTzM0&t=2454s) is here: [https://fb.me/react-interaction-tracing](https://fb.me/react-interaction-tracing) The profiler API at [42:03](https://www.youtube.com/watch?v=ByBPyMBTzM0&t=2523s) is [https://fb.me/react-profiling](https://fb.me/react-profiling)