Sabrina Markon

React Hooks: useImperativeHandle()

Published on July 07, 2020

While the useImperativeHandle hook is not used often, it is available if we run across a situation where a child component's ref needs to be passed to its parent component to use. For example, a parent component may need to control focusing on an input that lives in a child component, or to control scrolling in a child component. The useImperativeHandle hook needs to be used in combination with forwardRef. In fact, useImperativeHandle behaves much like the useRef hook, in that it allows you to interact with a particular DOM element directly.

Unlike useRef, however, which returns the instance element of the DOM node, useImperativeHandle allows you to control what value is returned, rather than simply the instance variable itself. Moreover, it allows us to define new functions to replace native functions, such as focus() or blur().

useImperativeHandle(ref, createHandle, [deps]);

The React documentation provides the below code as an example, which clearly demonstrates how useImperative allows you to change the behavior of focus() to use your own side-effects instead of the native browser focus(). Any parent component that has FancyInput below as its child, like could call FancyInput's inputRef.current.focus().

import React, { useRef, useImperativeHandle, forwardRef } from 'react';
function FancyInput(props, ref) {
  const inputRef = useRef();
  useImperativeHandle(ref, () => ({
    focus: () => {
  return <input ref={inputRef} ... />;
FancyInput = forwardRef(FancyInput);

// (, n.d.)

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