React Js Array filter Method

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState } = React
        function App() {
            const array = [1, null, '', undefined, 2, null, '', 3, 4];
            const filteredArray = array.filter((value) => value !== null && value !== undefined && value !== '');

// Render your filtered data
            return (
                <div className='container'>
                    <h2>React Js Filtering out null or undefined values or empty string  from an array</h2>
                    <ul>
                        {filteredArray.map((value) => (
                            <li key={value}>{value}</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
        }

h2 {
            font-size: 24px;
            color: #333;
            margin-bottom: 10px;
        }

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

li {
            font-size: 18px;
            color: #555;
            margin-bottom: 5px;
        }
    </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 array = [1, null, '', undefined, 2, null, '', 3, 4];
            const filteredArray = array.filter((value) => value !== null && value !== undefined && value !== '');
​
            // Render your filtered data
            return (
                <div className='container'>
                    <h2>React Js Filtering out null or undefined values or empty string  from an array</h2>
                    <ul>
                        {filteredArray.map((value) => (
                            <li key={value}>{value}</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
        }
​
        h2 {
            font-size: 24px;
            color: #333;
            margin-bottom: 10px;
        }
​
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
​
        li {
            font-size: 18px;
            color: #555;
            margin-bottom: 5px;
        }
    </style>
</body>
​
</html>