In class components, the method used to fetch new props and state and decide whether a re-render should occur is ________.

  • componentDidUpdate
  • componentFetchUpdate
  • componentWillUpdate
  • shouldComponentUpdate
In class components, the method used to fetch new props and state and decide whether a re-render should occur is shouldComponentUpdate. This method allows you to control the re-rendering process by returning true or false based on conditions you specify. It's a key method for optimizing the performance of class components by preventing unnecessary re-renders.
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