Vue Remove item from array by key index

<!DOCTYPE html>
<html>
<head>
    <script src="https://unpkg.com/vue@3.2.26/dist/vue.global.js"></script>
</head>
<body>
    <h3>Vue Remove Item from Array by Index</h3>
    <div id="app">
        <ul>
            <li v-for="(item, index) in items" :key="index">
                <span>{{ item.name }}</span>
                <span>{{ item.description }}</span>
                <button @click="deleteItem(index)">Delete</button>
            </li>
        </ul>
    </div>
    <script>
        const app = Vue.createApp({
            data() {
                return {
                    items: [
                        { name: 'Item 1', description: 'Description 1' },
                        { name: 'Item 2', description: 'Description 2' },
                        { name: 'Item 3', description: 'Description 3' }
                    ],

};
            },
            methods: {
                deleteItem(index) {
                    this.items.splice(index, 1);
                },
            },
        });

app.mount('#app');
    </script>
    <style scoped>
        ul {
            list-style: none;
            padding: 0;
        }

li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #ccc;
            padding: 10px;
        }

li:last-child {
            border-bottom: none;
        }

button {
            background-color: #f44336;
            border: none;
            color: white;
            padding: 10px 15px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin-left: 10px;
            cursor: pointer;
        }

button:hover {
            background-color: #e53935;
        }

input[type=text] {
            width: 100%;
            padding: 12px 20px;
            margin: 8px 0;
            box-sizing: border-box;
            border: 2px solid #ccc;
            border-radius: 4px;
            font-size: 16px;
        }

input[type=submit] {
            background-color: #4CAF50;
            color: white;
            padding: 12px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }

input[type=submit]:hover {
            background-color: #45a049;
        }
    </style>

</body>

</html>