How to test custom directives?
Custom directives are a core feature in AngularJS that allow developers to create reusable UI components. When writing unit tests for directives, we need to ensure that: To test AngularJS….
Tag: $rootScope
How to share data between multiple controllers?
In AngularJS, multiple controllers often need to share data. Since controllers have isolated scopes, sharing data between them requires techniques like services, factories, events, and $rootScope. 1️⃣ Using a Service….
Implementing event-driven communication with $broadcast and $emit
In AngularJS, event-driven communication allows different components of an application to communicate with each other efficiently. AngularJS provides the $broadcast and $emit methods on $scope to send events, along with….
Scope inheritance in nested controllers
In AngularJS, scope inheritance allows child controllers to inherit properties and methods from parent controllers. This behavior is useful for organizing and sharing data across different parts of an application…..
Handling memory leaks in AngularJS applications
Memory leaks in AngularJS applications can lead to performance degradation, increased memory consumption, and eventual crashes if not handled properly. This guide explains common causes of memory leaks, how to….
Debugging AngularJS applications using Chrome DevTools
Debugging an AngularJS application is crucial for identifying and resolving issues efficiently. Chrome DevTools provides powerful debugging features that can help developers inspect scopes, track performance, debug HTTP requests, and….
Implementing state-based authentication in AngularJS
State-based authentication ensures that users can only access specific parts of an application based on their authentication status. This is crucial for securing AngularJS applications. 1. Understanding State-Based Authentication In….
Handling state reset on logout
In AngularJS applications, resetting the application state on logout is important to ensure that no sensitive user data persists after the user logs out. This involves: Approach 1: Resetting $scope….
Performance considerations for state management
Efficient state management is crucial for ensuring high-performance AngularJS applications. Poor state handling can lead to performance bottlenecks, excessive memory usage, and sluggish UI updates. Here’s how you can optimize….
Using Services for shared application state
In AngularJS, services are the preferred way to manage and share application state across different components like controllers, directives, and filters. While $rootScope can be used for global state, services….