Description: Error middleware in web applications is a crucial component that handles errors during the request/response cycle of the application. Its main function is to intercept exceptions and errors that may arise during the processing of a request, allowing developers to manage these issues in a centralized and coherent manner. This not only enhances the user experience by providing more friendly and understandable error messages but also facilitates code maintenance by avoiding the duplication of error handling logic in different parts of the application. Error middleware can be configured to capture different types of errors, such as 404 (not found) errors or internal server errors (500), and can redirect users to custom error pages or log errors for later analysis. In summary, error middleware is an essential tool to ensure that web applications are robust and user-friendly, improving both the developer and end-user experience.
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