AJAX request fails with status 500 – Server-side error.
AJAX Request Fails with Status 500 – Server-Side Error Table of Contents 1. Introduction Overview of Status 500 Errors A 500 Internal Server Error is one of the most common….
Tag: API requests
Testing AngularJS services with $httpBackend
Testing AngularJS services that interact with APIs using $http can be challenging, but it is critical for ensuring that your services function correctly. $httpBackend from ngMock allows you to mock….
Handling authentication tokens with $httpInterceptor
In AngularJS, when building an application that interacts with APIs that require authentication, it’s common to work with authentication tokens (like JWTs). These tokens are typically passed in HTTP headers….
Using $http.defaults.headers.common for global headers
In AngularJS, $http.defaults.headers.common is a way to define global HTTP headers for all HTTP requests made using the $http service. This can be useful for setting authentication tokens, content types,….
Using $http to send GET, POST, PUT, DELETE requests
In AngularJS, $http is the service used to make HTTP requests to communicate with a backend server or API. It provides a simple and efficient way to send GET, POST,….
Using JSON.parse() on an already parsed API response
Proper Handling of API Response Parsing A common mistake when working with API responses is double-parsing JSON data, which occurs when you call JSON.parse() on data that’s already been converted….
CORS issues due to incorrect API configuration
Solving CORS Issues in API Configuration Cross-Origin Resource Sharing (CORS) problems are among the most common challenges developers face when connecting frontend applications to APIs. These issues arise when the….
Forgetting to set headers in an API request
Properly Setting Headers in API Requests A common oversight when making API requests is forgetting to set necessary headers, which can lead to failed requests, CORS errors, or servers rejecting….
Accessing API response data before it loads (undefined errors)
Handling API Response Data Safely in React A common issue when working with asynchronous data fetching is attempting to access API response data before it’s actually loaded, resulting in “Cannot….
$q.all() vs $q.defer() for handling multiple promises
AngularJS provides the $q service to handle asynchronous operations using promises. Two common ways to manage multiple promises are: This guide will cover: What $q.all() and $q.defer() do Differences between….