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Update idea.md #92

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2 changes: 1 addition & 1 deletion docs/preparation/idea.md
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Expand Up @@ -44,7 +44,7 @@ ReactDOM.render(<App/>, rootEl);

主流浏览器刷新频率为60Hz，即每（1000ms / 60Hz）16.6ms浏览器刷新一次。

我们知道，JS可以操作DOM，`GUI渲染线程`与`JS线程`是互斥的。所以**JS脚本执行**和**浏览器布局、绘制**不能同时执行。
我们知道，JS可以操作DOM，渲染主线程执行布局和分层与JS运行是互斥的。所以**JS脚本执行**和**浏览器布局、绘制**不能同时执行。

在每16.6ms时间内，需要完成如下工作：

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