use ref from prop react code example
Example 1: use ref in component reactjs
class CustomTextInput extends React.Component {
constructor(props) {
super(props);
this.textInput = null;
this.setTextInputRef = element => { this.textInput = element; };
this.focusTextInput = () => {
componentDidMount() {
this.focusTextInput(); }
render() {
return (
<div>
<input
type="text"
ref={this.setTextInputRef} />
<input
type="button"
value="Donner le focus au champ texte"
onClick={this.focusTextInput} />
</div>
);
}
}
Example 2: use ref in component reactjs
class MyComponent extends React.Component {
constructor(props) {
super(props);
this.myRef = React.createRef(); }
render() {
return <div ref={this.myRef} />; }
}