Скачать или смотреть How to Fix the React Error: "Nothing was Returned from Render"

Learn how to troubleshoot the common ReactJS error where the component does not return anything from render. Fix it with simple tips and code examples.
---
This video is based on the question https://stackoverflow.com/q/70084162/ asked by the user 'LegeNNND' ( https://stackoverflow.com/u/17490211/ ) and on the answer https://stackoverflow.com/a/70084182/ provided by the user 'Max' ( https://stackoverflow.com/u/10048850/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Reactjs: Error: HomePage(...): Nothing was returned from render

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding the React Error: "Nothing was Returned from Render"

If you're diving into ReactJS, you might encounter various errors. One particularly confusing error is: "Nothing was returned from render." This commonly arises when a function component doesn't return any JSX (the markup that React uses). Today's guide breaks down this error, its causes, and how you can fix it with just a few small changes.

What Does the Error Mean?

When you see the error message:

[[See Video to Reveal this Text or Code Snippet]]

it indicates that your React component, specifically the HomePage, isn't returning any content to render on the screen. In React, every function component needs to return either valid JSX or null. Failing to do so will result in this error.

Analyzing the Problematic Code

Let's take a look at the original HomePage component code:

[[See Video to Reveal this Text or Code Snippet]]

Key Issues

Missing Return Statement: The most crucial problem here is that there is no return statement. Without it, nothing is being sent back for rendering.

Component Not Rendering Anything: As a result, React cannot display any of the specified JSX elements.

The Solution: Adding a Return Statement

To resolve this issue, you only need to make a small adjustment by adding a return statement. Here’s the corrected code:

[[See Video to Reveal this Text or Code Snippet]]

Breakdown of Changes

Added the return Keyword: This allows the function to return the JSX that will be rendered.

Ensured the Syntax is Correct: Always make sure that your return statement uses parentheses if you are returning a multi-line JSX block.

Conclusion

React components must always return something to be rendered. By simply adding a return statement in your functional component, you can fix the error “Nothing was returned from render.” This small change can help you avoid confusion and ensure that your components work as intended.

By following these simple steps and checking your component’s return values, you’ll be better equipped to handle similar errors in the future. Happy coding in React!