ref hook in react
function TextInputWithFocusButton() {
const inputEl = useRef(null);
const onButtonClick = () => {
// `current` points to the mounted text input element
inputEl.current.focus();
};
return (
<>
<input ref={inputEl} type="text" />
<button onClick={onButtonClick}>Focus the input</button>
</>
);
}use ref in component reactjs
function CustomTextInput(props) {
return (
<div>
<input ref={props.inputRef} /> </div>
);
}
class Parent extends React.Component {
render() {
return (
<CustomTextInput
inputRef={el => this.inputElement = el} />
);
}
}Copyright © 2021 Codeinu
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