A particular issue with DOM manipulation is that the browser needs to re-flow and re-paint (basically re-render) the affected elements on the screen.

DOM操作的一个特别问题是浏览器需要在屏幕上回流和重绘(主要是重新呈现)元素。

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By combining the style changes, the result is a single re-flow and re-paint, and by extension, improved responsiveness and performance in this application.

通过将样式修改合并起来，结果是只有一次回流和重绘，而且，响应速度和性能也得到提升。

youdao

By combining the style changes, the result is a single re-flow and re-paint, and by extension, improved responsiveness and performance in this application.

通过将样式修改合并起来，结果是只有一次回流和重绘，而且，响应速度和性能也得到提升。

youdao