React Ref Get Child Element by Id
React Ref Get Child Element by Id:In React, you can obtain a child element within a component using a ref. By accessing the parent element through parentRef.current and then using querySelector('#childElementId'), you can retrieve the child element with the specified ID. This approach allows you to manipulate or access properties of the child element directly from the parent component, enabling dynamic interactions and updates in your application's user interface.
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How can you use React Ref to obtain a reference to a child element by its ID within a component?
In this React code snippet, a functional component named App is created. It uses the useRef hook to create a reference called parentRef to a div element. When the "Change Child Content" button is clicked, the handleChangeChild function is triggered. Within this function, the child element with the ID "childElementId" is accessed using querySelector through the parentRef. If the child element exists, its text content is updated to "New Content." This code demonstrates how to use React's ref and DOM manipulation to access and modify a specific child element by its ID within a component.
Output of React Ref Get Child Element by Id
