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

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Building UIs with JSX: Writing markup in React

Building UIs with JSX: Writing markup in React

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

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Building UIs with JSX: Writing markup in React

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In this lecture, you will be introduced to JSX, learn how it works, and explore its basic rules. Further details about JSX will be covered in the upcoming lectures. In traditional web development, HTML, CSS, and JavaScript are often separated. You would normally find an HTML file like this one. Styling is stored in a separate file. And JavaScript code is stored in a separate file too. However, React introduces a new concept, JSX, which stands for JavaScript XML. It combines markup, like HTML, with rendering logic in JavaScript. Why? Keeping markup, which is similar to HTML, and logic together makes components self-contained and easier to manage. This enables you to write declarative user interfaces, where components determine what the user sees based on data and state. Let's understand this through an example. Let's explore this React component. You don't have to worry about the syntax. I just want to give you a flavor of what you will learn later. UseState manages the username value,…

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