Category: 2. Disadvantage

While the virtual DOM optimizes performance, poorly structured components or excessive updates can still lead to performance bottlenecks. Developers need to be mindful of optimizing component re-renders.

React is a library focused on building user interfaces, not a full-fledged framework. This means developers often have to make decisions about routing, state management, and other aspects, which can add to the complexity.

React is often used with various external libraries (e.g., for routing, state management, and API calls). This dependency can introduce inconsistencies and require developers to learn multiple libraries to achieve full functionality.

In larger applications, the architecture can become cumbersome. Managing the state and data flow across many components can lead to complicated structures if not well-organized.

Setting up a React project, especially with state management libraries (like Redux), can involve a lot of boilerplate code. This can lead to increased complexity in the initial setup.

While React can be made SEO-friendly through server-side rendering (SSR), implementing SSR adds complexity. For purely client-side rendered applications, SEO can still be a concern if not handled properly.

React is constantly evolving, which can lead to breaking changes or the need to frequently update applications. Keeping up with the latest practices and updates can be a challenge for developers.

Despite being easier to grasp than some frameworks, beginners may still find the concept of components, props, and state management challenging. Additionally, mastering JSX, hooks, and other advanced concepts can take time.

ReactJS uses JSX. It’s a syntax extension that allows HTML with JavaScript mixed together. This approach has its own benefits, but some members of the development community consider JSX as a barrier, especially for new developers. Developers complain about its complexity in the learning curve.

ReactJS Covers only the UI Layers of the app and nothing else. So you still need to choose some other technologies to get a complete tooling set for development in the project.