Minimizing $watch calls for improved performance
In AngularJS, $watch is a fundamental feature that allows you to observe changes in scope variables and trigger reactions (such as updating the DOM or performing some actions). However, excessive….
Month: April 2025
Using track by in ng-repeat for better performance
Using track by in ng-repeat is an important optimization technique in AngularJS to improve the performance of rendering lists, particularly when dealing with large datasets. By default, AngularJS uses object….
How to integrate Firebase with AngularJS
Integrating Firebase with AngularJS allows you to easily connect your AngularJS application to Firebase’s real-time database, authentication, and other Firebase services. This integration provides an easy way to handle real-time….
Using WebSockets with AngularJS
Using WebSockets with AngularJS allows you to establish real-time communication between the client (browser) and the server, enabling features like live chat, notifications, and live updates without the need for….
How to cancel an ongoing API request
In AngularJS, you can cancel an ongoing API request by using the $http service along with a $q promise and $http cancellation mechanism. This allows you to abort an API….
Retrying failed HTTP requests automatically
In AngularJS, retrying failed HTTP requests automatically is a common requirement, especially when dealing with intermittent network issues or server-side errors. For this purpose, you can use $httpInterceptor in combination….
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….
Making parallel API calls with $q.all()
In AngularJS, when you need to make multiple API calls concurrently and wait for all of them to finish before proceeding, you can use $q.all(). This is particularly useful when….
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,….
Error handling in $http requests
Error handling in $http requests is essential for building robust and reliable AngularJS applications. When making HTTP requests (GET, POST, PUT, DELETE), errors can occur for various reasons, such as….