React Js Count Number of Times User Switches Between Tabs

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState, useEffect } = React;
    function App() {
      const [tabChanges, setTabChanges] = useState(0);
      useEffect(() => {
        const handleVisibilityChange = () => {
          if (document.hidden) {
            // User switched to another tab or minimized the window
            setTabChanges(tabChanges + 1);
          }
        };
        document.addEventListener('visibilitychange', handleVisibilityChange);
        return () => {
          // Clean up the event listener when the component unmounts
          document.removeEventListener('visibilitychange', handleVisibilityChange);
        };
      }, [tabChanges]);

return (
        <div className='container'>
          <h3>React Js Count Number of Times Tab Changes </h3>
          <p>Tab Changes: {tabChanges}</p>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>

</html>

 
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState, useEffect } = React;
    function App() {
      const [tabChanges, setTabChanges] = useState(0);
      useEffect(() => {
        const handleVisibilityChange = () => {
          if (document.hidden) {
            // User switched to another tab or minimized the window
            setTabChanges(tabChanges + 1);
          }
        };
        document.addEventListener('visibilitychange', handleVisibilityChange);
        return () => {
          // Clean up the event listener when the component unmounts
          document.removeEventListener('visibilitychange', handleVisibilityChange);
        };
      }, [tabChanges]);
​
      return (
        <div className='container'>
          <h3>React Js Count Number of Times Tab Changes </h3>
          <p>Tab Changes: {tabChanges}</p>
        </div>
      );
    }
​
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>
​
  <style>
    .container {
      margin: 0 auto;
      width: 600px;
      text-align: center;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      padding: 20px;
    }
  </style>
</body>
​
</html>