Gain insights into React updates since V16, including new lifecycle methods, context API, and hooks. Discover how to utilize these features for writing better modern React applications.

What’s new with React? New lifecycle methods, context API, hooks, and lots more. While the fundamental principles of React have stayed the same, the way we write React apps has changed with each new release.  

If you learned React a while back, it’s possible that you haven’t been up to date with every new feature/release. It’s also possible to get lost in all the new features. Where exactly do you start? How important are they for your day to day use?

This course is your one-stop reference to most important React updates since V16 was released. We’ll walk through all the major features of modern React so you can stay in sync with the most recent changes while learning to write better software.

Reintroducing React: V16 and Beyond

In the real world, things often break, right? 

It’s possible that in the process of fetching the lazy-loaded resource, a network error occurs. 

### Error Boundary

To handle such a case, be sure to wrap your lazy-loaded components in an *error boundary*.

Remember error boundaries from the [Lifecycle methods](https://www.educative.io/courses/reintroducing-react-v16-beyond/the-error-handling-lifecycle-methods) chapter? 

Here’s an example:

In the real world, things often break, right? 

It’s possible that in the process of fetching the lazy-loaded resource, a network error occurs. 

# Error Boundary

To handle such a case, be sure to wrap your lazy-loaded components in an *error boundary*.

Remember error boundaries from the [Lifecycle methods](https://www.educative.io/courses/reintroducing-react-v16-beyond/the-error-handling-lifecycle-methods) chapter? 

Here’s an example:

Let's learn how to handle errors when something goes off.

Introduction

Lifecycle

Context API

ContextType

React.memo

The Profiler

Lazy Loading

Hooks

Conclusion

Handling Errors

Error Boundary