React Get Checkbox Value : How to Get All Checked Checkbox Value in React Js

<!DOCTYPE html>
<html>

function App() {
            const [selectedItems, setSelectedItems] = useState([]);

return (
                <div className="container">
                    <h3>React Js Get Checkbox selected item | multi select checkbox</h3>
                    <label>
                        <input
                            type="checkbox"
                            value="America"
                            checked={selectedItems.includes('America')}
                            onChange={handleCheckboxChange}
                        />
                        America
                    </label>

<label>
                        <input
                            type="checkbox"
                            value="England"
                            checked={selectedItems.includes('England')}
                            onChange={handleCheckboxChange}
                        />
                        England
                    </label>

<label>
                        <input
                            type="checkbox"
                            value="Brazil"
                            checked={selectedItems.includes('Brazil')}
                            onChange={handleCheckboxChange}
                        />
                        Brazil
                    </label>
                    <label>
                        <input
                            type="checkbox"
                            value="China"
                            checked={selectedItems.includes('China')}
                            onChange={handleCheckboxChange}
                        />
                        China
                    </label>
                    <label>
                        <input
                            type="checkbox"
                            value="India"
                            checked={selectedItems.includes('India')}
                            onChange={handleCheckboxChange}
                        />
                        India
                    </label>
                    <label>
                        <input
                            type="checkbox"
                            value="France"
                            checked={selectedItems.includes('France')}
                            onChange={handleCheckboxChange}
                        />
                        France
                    </label>
                    <label>
                        <input
                            type="checkbox"
                            value="Germany"
                            checked={selectedItems.includes('Germany')}
                            onChange={handleCheckboxChange}
                        />
                        Germany
                    </label>

<br />
                    <p>Selected items: {selectedItems.join(', ')}</p>
                </div>
            );
        }

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

.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;
        }

h3 {
            text-align: center;
        }

label {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
            cursor: pointer;
        }

input[type="checkbox"] {
            margin-right: 10px;
        }

input[type="checkbox"]:checked+span {
            font-weight: bold;
        }

div.selected-item {
            margin-top: 10px;
        }
    </style>
</body>

</html>