JAVASCRIPT
Implement Modals and Notifications with Vue 3 Teleport
Learn how to use Vue 3's built-in `Teleport` component to render content (like modals, tooltips, or notifications) into a different part of the DOM tree.
// src/App.vue
<template>
<div>
<h1>My App Content</h1>
<button @click="showModal = true">Open Modal</button>
<Teleport to="#modal-target">
<div v-if="showModal" class="modal-overlay" @click.self="showModal = false">
<div class="modal-content">
<h2>My Modal Title</h2>
<p>This content is teleported to another part of the DOM!</p>
<button @click="showModal = false">Close Modal</button>
</div>
</div>
</Teleport>
</div>
</template>
<script setup>
import { ref } from 'vue';
const showModal = ref(false);
</script>
<style>
/* Add some basic styling for the modal */
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 1000;
}
.modal-content {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
</style>
<!-- Public/index.html body or similar where #modal-target exists -->
<body>
<div id="app"></div>
<div id="modal-target"></div>
</body>
How it works: This snippet demonstrates how to use Vue 3's `Teleport` component. It allows rendering a portion of a component's template into a different DOM node that exists outside the current component's hierarchy. This is particularly useful for modals, notifications, or tooltips where you want the element to be appended directly to `body` (or a specific target) to avoid z-index or overflow issues from parent components.