From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Accessing another component's DOM nodes

Accessing another component's DOM nodes

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Accessing another component's DOM nodes

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In this session, we'll learn how to access another component's DOM nodes using refs in React. Our goal is to build a parent component that can programmatically focus an input field within a child component. This is a powerful technique for creating interactive and user-friendly interfaces. Let's start with a basic React application. Let's create a components folder inside the src folder and two files myform.jsx and myinput.jsx inside it. Moving to myform.jsx. Let's create an empty placeholder for the myform component returning an empty div for now. Moving to myInput.jsx. This component renders a simple input element, but it's currently without any attributes. It's just a placeholder for our input field. Going back to app.jsx, now you will see that I've replaced the heading with the myForm component. Make sure you import the myForm component at the top of the file, moving to myform.jsx. Now it is time to add the input component we just created. I've imported my input and added it…

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