Vue Js check if all the arrays inside an array of arrays are empty

<html>
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>Vue Js check if all the arrays inside an array of arrays are empty</h1>
        <ul>
            <li v-for="(array, index) in arrayOfArrays" :key="index">
                {{ array }}
            </li>
        </ul>
        <p v-if="allArraysEmpty" style="color:red">All arrays are empty!</p>
        <p v-else>There are non-empty arrays.</p>
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    arrayOfArrays: [[], [], []],
                };
            },
            computed: {
                allArraysEmpty() {
                    return this.arrayOfArrays.every(arr => arr.length === 0);
                },
            }
        });
    </script>
    <style scoped>
        #app {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            padding: 20px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
        }

h1 {
            font-size: 24px;
            margin-bottom: 10px;
        }

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

li {
            font-size: 18px;
            margin-bottom: 5px;
        }

p {
            font-size: 16px;
            margin-top: 10px;
        }
    </style>
</body>

</html>