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Banner Component

A built-in component to show a banner on the top of the website. It can be used to show a warning or a notice.

Exported from nextra/components.

Props

NameTypeDefault
dismissibleboolean

Closable banner or not.

true
storageKeystring

Storage key to keep the banner state.

'nextra-banner'
...propsHTMLAttributes<HTMLDivElement>

Example

A banner can be dismissed. By default, it’s used by localStorage  to keep the banner state on the client.

If you have updated your banner text, you should change the key to make sure the banner is shown again. The best practice is to always use a descriptive key for the current text, for example:

Banner

app/layout.jsx
import { Layout } from 'my-nextra-theme' import { Banner } from 'nextra/components' export default function MyLayout({ children, ...props }) { return ( <Layout> <Banner storageKey="2.0-release"> <a href="https://nextra.site" target="_blank"> 🎉 Nextra 2.0 is released. Read more → </a> </Banner> {children} </Layout> ) }