A key component of React development, JSX is a JavaScript syntax extension that you've certainly heard about if you're new to the world of React. JavaScript XML, or JSX, is an effective tool that makes creating dynamic and interactive user interfaces easier. We'll explore JSX's use in React and why it's become important for current web development in this blog. One thing that makes JSX so great is its declarative UI. Declarative user interfaces are at the foundation of React. You can use JSX to specify how your UI should appear depending on the state of the application. You may develop code that is simpler to read and update by using this declarative approach. It makes setting up event handlers much easier also. Event handlers can be directly attached to JSX elements using a syntax that is similar to HTML. As a result, adjusting to user interactions is simple.