Nuxt/docs/3.api/1.components/1.dev-only.md
2024-03-18 15:17:20 +00:00

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---
title: '<DevOnly>'
description: Render components only during development with the <DevOnly> component.
links:
- label: Source
icon: i-simple-icons-github
to: https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/components/dev-only.ts
size: xs
---
Nuxt provides the `<DevOnly>` component to render a component only during development.
The content will not be included in production builds.
```vue [pages/example.vue]
<template>
<div>
<Sidebar />
<DevOnly>
<!-- this component will only be rendered during development -->
<LazyDebugBar />
<!-- if you ever require to have a replacement during production -->
<!-- be sure to test these using `nuxt preview` -->
<template #fallback>
<div><!-- empty div for flex.justify-between --></div>
</template>
</DevOnly>
</div>
</template>
```
## Slots
- `#fallback`: if you ever require to have a replacement during production.
```vue
<template>
<div>
<Sidebar />
<DevOnly>
<!-- this component will only be rendered during development -->
<LazyDebugBar />
<!-- be sure to test these using `nuxt preview` -->
<template #fallback>
<div><!-- empty div for flex.justify-between --></div>
</template>
</DevOnly>
</div>
</template>
```