Author: Saim Khalid

Introduction Reactive programming is a core concept in Angular, powered by the RxJS (Reactive Extensions for JavaScript) library. Among the most powerful constructs RxJS offers are Subjects. A Subject in RxJS is unique because it acts as both an Observable and an Observer. This means it can emit data (like an Observer) and also be…

Introduction to Observables In Angular, Observables are a core concept for managing asynchronous data streams. They represent sequences of values that are emitted over time, allowing components and services to react to data changes dynamically. Observables are part of the RxJS (Reactive Extensions for JavaScript) library, which provides powerful operators for transforming, combining, and managing…

Modern web applications often involve multiple components, services, and user interactions happening simultaneously. Managing the data flow between these parts becomes increasingly complex as the application grows. This is where state management plays a crucial role. In Angular, RxJS (Reactive Extensions for JavaScript) offers a powerful and reactive way to handle and synchronize state across…

Introduction Pipes in Angular are one of the most elegant and useful features of the framework. They allow you to transform data directly within templates, providing a clean and declarative way to present data without cluttering the component logic. Whether it’s formatting dates, converting numbers, capitalizing text, or even transforming asynchronous data streams, pipes offer…

Pipes in Angular are a powerful feature that allow developers to transform data directly within the template, without writing extra logic in the component. They help keep templates clean, readable, and declarative. While most pipes in Angular are pure, there’s another category called impure pipes that can react to more frequent changes. Understanding the difference…

Angular provides a robust system of pipes that help you transform and format data directly in your templates. They allow developers to apply transformations to displayed values without modifying the underlying data. Among these, parameterized pipes are especially powerful because they allow developers to customize how data is formatted or displayed by passing arguments (parameters)…

Introduction Angular provides a powerful feature known as pipes, which are used to transform data before displaying it in templates. They allow developers to format values directly within the HTML template, keeping components clean and focused only on logic. Sometimes, a single transformation is not enough. You may need to apply multiple transformations sequentially —…

Angular provides many built-in pipes to handle common data transformations such as date formatting, number conversion, and currency display.However, there are times when you need custom logic that is specific to your application — for example, transforming text in a special way, filtering arrays, or formatting domain-specific data. In such cases, Angular allows you to…

Introduction The AsyncPipe is one of Angular’s most powerful and elegant features. It simplifies the way developers handle asynchronous data streams, such as Observables and Promises, within templates. In Angular applications, data often comes asynchronously — whether it’s from an HTTP request, WebSocket, or real-time data stream. Normally, to display this data, developers subscribe to…

Angular provides a wide range of built-in pipes that help transform data in templates. One of the most commonly used pipes for displaying monetary values is the CurrencyPipe. The CurrencyPipe formats numeric values into currency strings according to locale and formatting options. In this comprehensive guide, we will cover everything about using the CurrencyPipe, including…