Q39: What is the useImperativeHandle hook?

useImperativeHandle customizes the instance value exposed to parent components when using a ref. It restricts which internal methods or properties parents can access rather than exposing full DOM nodes.

Key Takeaways
  • Customizes imperative ref handles exposed to parent components.
  • Must be paired with React.forwardRef.
Knowledge Check

Which React function MUST be paired with useImperativeHandle to pass the custom handle back?