Vue Js Remove/Delete array from an array of arrays

<html>
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>Vue Js Remove/Delete Array from Array of Arrays</h1>
        <ul>
            <li v-for="(item, index) in arrayOfArrays" :key="index">
                {{ item }} <button @click="removeArray(index)">Remove Array</button>
            </li>
        </ul>
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    arrayOfArrays: [
                        [1, 2, 3],
                        [4, 5, 6],
                        [7, 8, 9]
                    ]
                };
            },
            methods: {
                removeArray(index) {
                    this.arrayOfArrays.splice(index, 1);
                }
            }
        });
    </script>
    <style scoped>
        #app {
            font-family: Arial, sans-serif;
            font-size: 16px;
            color: #333;
        }

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

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

li {
            margin-bottom: 10px;
        }

button {
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            padding: 8px 12px;
            cursor: pointer;
        }

button:hover {
            background-color: #0069d9;
        }
    </style>
</body>

</html>