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componentDidUpdate() — react Function Reference

Architecture documentation for the componentDidUpdate() function in ReactUpdates-test.js from the react codebase.

Function javascript BabelCompiler Validation calls 1

Entity Profile

Dependency Diagram

graph TD
  a44f620a_1ffa_0bae_379c_ef480c5b1bd0["componentDidUpdate()"]
  cfb18572_690e_f294_0181_cdda4cf8069e["Child"]
  a44f620a_1ffa_0bae_379c_ef480c5b1bd0 -->|defined in| cfb18572_690e_f294_0181_cdda4cf8069e
  fd13d83c_681b_8d5d_bdf0_a6abff076816["componentDidUpdate()"]
  a44f620a_1ffa_0bae_379c_ef480c5b1bd0 -->|calls| fd13d83c_681b_8d5d_bdf0_a6abff076816
  style a44f620a_1ffa_0bae_379c_ef480c5b1bd0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactUpdates-test.js lines 1208–1211

      componentDidUpdate() {
        expect(renderCount).toBe(postRenderCount + 1);
        postRenderCount++;
      }

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Defined In

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Source

Frequently Asked Questions

What does componentDidUpdate() do?
componentDidUpdate() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactUpdates-test.js.
Where is componentDidUpdate() defined?
componentDidUpdate() is defined in packages/react-dom/src/__tests__/ReactUpdates-test.js at line 1208.
What does componentDidUpdate() call?
componentDidUpdate() calls 1 function(s): componentDidUpdate.

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