Yunhao Liu

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2021-09-15
react

react-refs

refs 可以用来访问 DOM 节点 或者 render() 里面创建的 react elements

父组件通常只能通过 props 和子组件交互,如果子组件需要修改,就要重新 render

使用条件

触发动画

管理焦点,选择文本,播放媒体

集成第三方 DOM 库

Avoid using refs for anything that can be done declaratively.

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