useId
Generate an SSR-friendly unique identifier that can be passed to accessibility attributes.
This composable is available since Nuxt v3.10.
useId generates an SSR-friendly unique identifier that can be passed to accessibility attributes.
Call useId at the top level of your component to generate a unique string identifier:
components/EmailField.vue
<script setup lang="ts">
const id = useId()
</script>
<template>
<div>
<label :for="id">Email</label>
<input :id="id" name="email" type="email" />
</div>
</template>
useId must be used in a component with a single root element, as it uses this root element's attributes to pass the id from server to client.Parameters
useId does not take any parameters.
Returns
useId returns a unique string associated with this particular useId call in this particular component.