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| //Class | |
| class InputWithFocus extends React.Component { | |
| constructor() { | |
| super(); | |
| this.inputRef = null; | |
| } | |
| render() { | |
| return <div> | |
| <input ref={inputRef => { this.inputRef = inputRef }} /> | |
| <button onClick={() => this.inputRef.focus()}> | |
| Focus the input | |
| </button> | |
| </div> | |
| } | |
| } | |
| //Hooks | |
| const InputWithFocus = (props) => { | |
| const inputRef = useRef(); | |
| return <div> | |
| <input ref={inputRef} /> | |
| <button onClick={() => inputRef.current.focus()}> | |
| Focus the input | |
| </button> | |
| </div> | |
| } |
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