Be mindful of repaints and reflows; batch style changes, manipulate the DOM tree "offline," and cache and minimize access to layout information.

注意重绘和重排版；批量修改风格，离线操作DOM树，缓存并减少对布局信息的访问。

youdao

Be mindful of repaints and reflows; batch style changes, manipulate the DOM tree "offline," and cache and minimize access to layout information.

注意重绘和重排版；批量修改风格，离线操作DOM树，缓存并减少对布局信息的访问。

youdao