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React 19+ · Function

browser

browser() marks a component as browser-only during server rendering. Use its return value with use() so the nearest Suspense fallback appears on the server, while the component renders in the browser.

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Syntax

browser(reason?)

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  • use
  • Suspense
  • onBrowserBailout
  • renderToPipeableStream
  • AbortController.abort

Source: browser – React API Reference. Checked 2026-11-03.