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componentWillUnmount() — react Function Reference

Architecture documentation for the componentWillUnmount() function in ReactDOMComponent-test.js from the react codebase.

Entity Profile

Dependency Diagram

graph TD
  c2e27744_0d5b_f63b_2483_0d4321897020["componentWillUnmount()"]
  43ad78d8_51a4_dfe8_8f3f_ff7ae9a73e92["Inner"]
  c2e27744_0d5b_f63b_2483_0d4321897020 -->|defined in| 43ad78d8_51a4_dfe8_8f3f_ff7ae9a73e92
  style c2e27744_0d5b_f63b_2483_0d4321897020 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactDOMComponent-test.js lines 2163–2170

        componentWillUnmount() {
          // Should not throw
          expect(
            ReactDOM.__DOM_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE.findDOMNode(
              this,
            ).nodeName,
          ).toBe('SPAN');
        }

Domain

Subdomains

Frequently Asked Questions

What does componentWillUnmount() do?
componentWillUnmount() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactDOMComponent-test.js.
Where is componentWillUnmount() defined?
componentWillUnmount() is defined in packages/react-dom/src/__tests__/ReactDOMComponent-test.js at line 2163.

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