RCQE_Bot

您提到在rAF里面不要查询任何计算布局..... 但是在js中得到的应该是上一帧的布局信息吧，那为什么又会 forces layout / reflow呢...

Maybe you need to add sashRender paras like this: https://codesandbox.io/s/split-pane-themes-xmsqtt And u can use the default like this: https://github.com/yyllff/split-pane-react/issues/12#issuecomment-1357527567