<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>
<script type="text/babel">
const { useState, useEffect } = React;
const [tabChanges, setTabChanges] = useState(0);
const handleVisibilityChange = () => {
// User switched to another tab or minimized the window
setTabChanges(tabChanges + 1);
document.addEventListener('visibilitychange', handleVisibilityChange);
// Clean up the event listener when the component unmounts
document.removeEventListener('visibilitychange', handleVisibilityChange);
<div className='container'>
<h3>React Js Count Number of Times Tab Changes </h3>
<p>Tab Changes: {tabChanges}</p>
ReactDOM.render(<App />, document.getElementById("app"));
box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);