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react refs All In One

react refs All In One

React.createRef()

class MyComponent extends React.Component {
  constructor(props) {
    super(props);
    this.myRef = React.createRef();
  }
  render() {
    return <div ref={this.myRef} />;
  }
}


refs

https://reactjs.org/docs/refs-and-the-dom.html#refs-and-function-components

https://reactjs.org/docs/refs-and-the-dom.html#callback-refs



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posted @ 2021-03-15 17:16  xgqfrms  阅读(43)  评论(0编辑  收藏  举报