React Js Get Element by Ref

<!DOCTYPE html>
<html>

</head>

<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useRef } = React;

const App = () => {
      const divRef = useRef(null);

const handleClick = () => {
        // Get the current background color directly from the DOM element
        const currentColor = divRef.current.style.backgroundColor;
        const newColor = currentColor === 'white' ? 'lightblue' : 'white';
        divRef.current.style.backgroundColor = newColor;
      };

return (
        <div className='container'>
          <h3>React Js Get Element by Ref </h3>
          <div
            ref={divRef}
            onClick={handleClick}
            style={{ padding: '20px', cursor: 'pointer', backgroundColor: 'white' }}
          >
            Click me to change my background color
          </div>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      border-radius: 8px;
      box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
      padding: 20px;
      margin: 20px auto;
      max-width: 600px;
      text-align: center;
    }
  </style>
</body>

</html>