Handling authentication tokens in API calls
Authentication tokens (such as JWT) are commonly used to secure API calls. In AngularJS, we can manage tokens efficiently by intercepting HTTP requests and responses. Below are the best practices….
Tag: Error Handling
Using $httpInterceptor for request/response handling
In AngularJS, $httpInterceptor is a powerful mechanism to intercept HTTP requests and responses globally. This helps in adding headers, logging, modifying responses, handling errors, and implementing authentication logic without modifying….
Not handling null or undefined values in JSX
Dealing with null or undefined values incorrectly in JSX is a common source of React application errors. Here’s how to handle these cases properly to prevent runtime crashes and ensure….
Forgetting to wrap asynchronous calls in try/catch
Proper Error Handling for Asynchronous Operations in React Forgetting to wrap asynchronous calls in try/catch blocks is a common mistake that can lead to uncaught promise rejections and poor error….
Using API data before it is fetched
When working with APIs in React, it’s important to ensure that data is available before trying to access it. Attempting to use API data before it has been successfully fetched….
Implementing retry logic for failed API calls
When making API calls in AngularJS, network failures or temporary server errors (like 500 Internal Server Error or 503 Service Unavailable) can cause intermittent failures. Instead of immediately showing an….
How to handle uncaught exceptions in AngularJS?
Uncaught exceptions in AngularJS can cause unexpected application crashes, leading to a poor user experience. To prevent this, you need a global exception handling mechanism that captures errors, logs them,….
Using $exceptionHandler to catch global errors
In AngularJS, $exceptionHandler is a built-in service used to catch and handle unhandled exceptions globally. By default, it logs errors to the browser console, but you can customize it to….
$log vs console.log() for debugging
When debugging AngularJS applications, developers often use either $log (AngularJS built-in service) or console.log() (native JavaScript function). While both serve the purpose of logging information to the console, $log offers….
Not handling network errors in fetch/axios
Proper Network Error Handling in React Applications Handling network errors properly is crucial for creating robust React applications. Here’s how to implement comprehensive error handling for fetch and Axios requests…..