[React] Auto Focus after render

I was building a dynamic form in a React component and encountered a problem. I couldn’t get the form to auto-focus on an input after submission.

I looked into ComponentDidUpdate() and/or ComponentDidMount(), but in the end, there was a simple solution to this.

class SomeForm extends Component {
	handleSubmit = (e) => {
		this.input.value = "";

	render() {
		return (
			<form onSubmit={this.handleSubmit}>
				<input autoFocus type="text" ref={(input) => this.input = input} />
				<input type="submit" value="Submit" />

Shown in the code above, by putting autoFocus attribute to true in the input tag, the problem was solved. When the form is rendered, it should automatically focus to the input.



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