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React - set focus on input after rendering

3 points
Created by:
Krzysiek
531

In this article we would like to show you how in React set focus on input element immediately after component rendering.

In below example we use two React hooks:

  • useRef which stores refference to an input element,
  • useEffect in which .focus() method is called to get focus on the input element when App component is ready.

Runnable example:

// ONLINE-RUNNER:browser;

// Note: Uncomment import lines during working with JSX Compiler.
// import React from 'react';
// import ReactDOM from 'react-dom';

const App = () => {
    const inputRef = React.useRef();
    React.useEffect(() => {
        if (inputRef.current) {
            inputRef.current.focus();
        }
    }, []);
    return (
        <div>
          <label>Search: </label>
          <input ref={inputRef} />
        </div>
    );
}

const root = document.querySelector('#root');
ReactDOM.render(<App />, root );
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React - set focus on input after rendering
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