React Js Array filter Method

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.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 } = React
        function App() {
            const [filteredData, setFilteredData] = useState([]);
            // Example data array
            const data = [
                { id: 1, name: 'John', age: 25 },
                { id: 2, name: 'Jane', age: 30 },
                { id: 3, name: 'Alex', age: 20 },
                { id: 4, name: 'Sarah', age: 35 },
            ];
            const filterData = () => {
                const filteredArray = data.filter((item) => item.age > 25); // Filtering based on age > 25
                setFilteredData(filteredArray);
            };

return (
                <div className="container">
                    <h1>React Js Filtering objects based on a property value</h1>
                    <button onClick={filterData}>Filter Data</button>
                    <ul>
                        {filteredData.map((item) => (
                            <li key={item.id}>{item.name}</li>
                        ))}
                    </ul>
                </div>
            );
        }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }

body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }

.container {
            text-align: center;
            padding: 20px;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            margin: 0 auto;
            width: 600px
        }

h1 {
            font-size: 24px;
            margin-bottom: 20px;
        }

button {
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }

button:hover {
            background-color: #0056b3;
        }

ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
        }

li {
            padding: 10px;
            border-bottom: 1px solid #ccc;
        }

li:last-child {
            border-bottom: none;
        }
    </style>
</body>

</html>

 
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.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 } = React
        function App() {
            const [filteredData, setFilteredData] = useState([]);
            // Example data array
            const data = [
                { id: 1, name: 'John', age: 25 },
                { id: 2, name: 'Jane', age: 30 },
                { id: 3, name: 'Alex', age: 20 },
                { id: 4, name: 'Sarah', age: 35 },
            ];
            const filterData = () => {
                const filteredArray = data.filter((item) => item.age > 25); // Filtering based on age > 25
                setFilteredData(filteredArray);
            };
​
            return (
                <div className="container">
                    <h1>React Js Filtering objects based on a property value</h1>
                    <button onClick={filterData}>Filter Data</button>
                    <ul>
                        {filteredData.map((item) => (
                            <li key={item.id}>{item.name}</li>
                        ))}
                    </ul>
                </div>
            );
        }
​
        ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }
​
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }
​
        .container {
            text-align: center;
            padding: 20px;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            margin: 0 auto;
            width: 600px
        }
​
​
        h1 {
            font-size: 24px;
            margin-bottom: 20px;
        }
​
        button {
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }
​
        button:hover {
            background-color: #0056b3;
        }
​
        ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
        }
​
        li {
            padding: 10px;
            border-bottom: 1px solid #ccc;
        }
​
        li:last-child {
            border-bottom: none;
        }
    </style>
</body>
​
</html>