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

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Your first React component

Your first React component

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

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Your first React component

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In this lecture, you are going to build your first React component. So far, you have created a simple React app using the provided Vite template. Before building your own component, let's understand how the current app is structured. Let's start with the index.html file. This is the entry point for the React application, but it does not directly interact with React elements. This element is where React will inject and render the app. This is the root of the React Document Object model. Now open your application and right-click anywhere on the page and select Inspect. Navigate to the Elements tab, where you can explore the structure of your web page. Now locate the div element of id root, and you will observe that it has been dynamically populated with HTML elements corresponding to the app's React components. Let's go back to our text editor. This is the script responsible for filling the div of id root. By commenting out this line, we prevent React from running its JavaScript code…

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