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Jest · Matcher

toMatchObject

toMatchObject checks selected properties of an object. Extra properties are allowed; for arrays, corresponding objects must match and the array lengths must be equal.

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Syntax

expect(received).toMatchObject(object)

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  • expect.stringMatching
  • expect.arrayContaining
  • expect.objectContaining
  • toEqual

Source: Expect · Jest. Checked 2026-11-03.