In Angular, both BehaviorSubject and Subject are part of the RxJS library and are used to implement observer pattern. But, there are some differences between the two. A BehaviorSubject is…
The async pipe in Angular is a convenience function that allows you to subscribe to an Observable or Promise and returns the latest value it has emitted, all within the…
In TypeScript, the term “static” is used to describe members of a class that are shared across all instances of the class, rather than being specific to a single instance….
In Angular, an InjectionToken is a type of token that can be used as a key for a service or value in the Angular Dependency Injection system. It is used…
async/await is a way to handle asynchronous code in JavaScript, and it is built on top of Promises. It makes working with asynchronous code look like working with synchronous code,…
There are several ways to communicate between sibling components in Angular: Choose the method that best fits your use case, and make sure to properly manage the communication to avoid…
In Angular, metadata is information about a class, its members, or its methods that can be used to configure the behavior of the class or its members. Metadata can be…
ContentChild and ViewChild are both decorators in Angular that allow you to access child elements of a component. The main difference between them is the timing of when they retrieve…
In Angular, data can be passed between a parent component and its child component in several ways. Here’s an example of how to pass data from the parent to the…
Change detection in Angular is the process of updating the view or the component template with the new data when the model or the component’s data is updated. Angular has…
These are operators in the RxJS library, which is commonly used in Angular for working with observables. Here’s an example that demonstrates the use of these operators: In this example,…
An Interceptor in Angular is a powerful feature that can be used to pre-process or post-process HTTP requests and responses. An interceptor is a service that implements the HttpInterceptor interface…
In Angular, the entry component is a component that is bootstrapped in the main application module. It acts as the starting point of the application and is responsible for rendering…
In Angular, a Subject is a class that represents a value that changes over time. It’s part of the RxJS library, which is used for reactive programming in Angular. A…
In Angular, the ChangeDetectionStrategy is an enumeration that determines when Angular updates the view with the latest changes in data. It’s used to control the change detection process for a…