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React 19+ · Function

captureOwnerStack

captureOwnerStack() reads the current Owner Stack in development. It returns a string when a stack is available and null when it is not.

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Syntax

captureOwnerStack()

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  • Component
  • onCaughtError
  • onRecoverableError
  • onUncaughtError
  • componentStack

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