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componentDidMount() — react Function Reference

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

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Dependency Diagram

graph TD
  a16e3341_a2b6_8574_0316_9ae029aa42d3["componentDidMount()"]
  cfb18572_690e_f294_0181_cdda4cf8069e["Child"]
  a16e3341_a2b6_8574_0316_9ae029aa42d3 -->|defined in| cfb18572_690e_f294_0181_cdda4cf8069e
  style a16e3341_a2b6_8574_0316_9ae029aa42d3 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/react-dom/src/__tests__/ReactUpdates-test.js lines 1203–1206

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

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Defined In

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Frequently Asked Questions

What does componentDidMount() do?
componentDidMount() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactUpdates-test.js.
Where is componentDidMount() defined?
componentDidMount() is defined in packages/react-dom/src/__tests__/ReactUpdates-test.js at line 1203.

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