When profiling a React application using React DevTools, what color indicates a component that has re-rendered?
- Blue
- Green
- Red
- Yellow
When profiling a React application using React DevTools, a component that has re-rendered is indicated by the color Red. This visual cue helps developers identify components that are re-rendering, which can be useful for optimizing performance by reducing unnecessary renders. The other colors are not typically associated with indicating re-renders in React DevTools.
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