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React Testing Library · Function

prettyDOM

render mounts a React element into a container attached to document.body. It returns queries and helpers for inspecting, updating, unmounting, and comparing the rendered output.

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Syntax

function render(ui: React.ReactElement<any>, options?: RenderOptions): RenderResult

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • screen.debug
  • prettyDOM
  • rerender
  • unmount
  • asFragment
  • cleanup
  • renderHook
  • configure

Source: API | Testing Library. Checked 2026-11-03.