Vue Js Get value from child Array with a given ID

<html>
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h3>Vue Js Get value from child Array with a given ID </h3>
        <table>
            <thead>
                <tr>
                    <th>ID</th>
                    <th>Name</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="child in selectedParent.children" :key="child.id">
                    <td>{{ child.id }}</td>
                    <td>{{ child.name }}</td>
                </tr>
            </tbody>
        </table>
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    parents: [
                        {
                            id: 1,
                            name: 'Parent 1',
                            children: [
                                { id: 1, name: 'Child 1-1' },
                                { id: 2, name: 'Child 1-2' },
                            ],
                        },
                        {
                            id: 2,
                            name: 'Parent 2',
                            children: [
                                { id: 3, name: 'Child 2-1' },
                                { id: 4, name: 'Child 2-2' },
                            ],
                        },
                    ],
                    selectedParentId: 2,
                };
            },
            computed: {
                selectedParent() {
                    return this.parents.find(parent => parent.id === this.selectedParentId);
                },
            },
        });
    </script>
    <style scoped>
        #app {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: Arial, sans-serif;
        }

table {
            border-collapse: collapse;
            width: 100%;
        }

th,
        td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }

th {
            background-color: #f2f2f2;
            font-weight: bold;
        }

tr:nth-child(even) {
            background-color: #f2f2f2;
        }

tr:hover {
            background-color: #ddd;
        }
    </style>
</body>

</html>