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[vue] 为什么vue使用异步更新组件?
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批量更新 收集当前的改动一次性更新 节省diff开销吧?
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避免不必要的计算和dom操作
性能优化,将重复的修改合并为一次
Vue使用异步更新组件的机制是为了优化性能和提供更好的用户体验。
异步更新组件可以将多个状态变更操作合并为一次更新,从而减少了不必要的DOM操作和重绘,提高了性能。Vue会在下一个事件循环周期(microtask)中执行组件更新,以此来批量处理多个状态变更。
Vue使用虚拟DOM来追踪组件状态的变化,并根据需要进行DOM更新。通过异步更新,Vue可以在更新前进行必要的优化,避免不必要的计算和DOM操作,从而提高了效率。
异步更新使得组件更新的过程不会阻塞用户界面的响应。由于更新是在下一个事件循环周期中执行的,用户可以继续与界面进行交互,而不会被阻塞或造成卡顿。
异步更新可以更好地利用计算资源,将更新操作分散到不同的事件循环中执行。这有助于提高应用程序的整体性能,并确保在频繁的状态变更时仍然能够保持流畅的用户体验。
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[vue] 为什么vue使用异步更新组件?
The text was updated successfully, but these errors were encountered: