Angular Components And Their Working Methodologies

Angular is a framework that is used for making single-page applications(APA). Its architecture works on NgModule.

NgModule is a class marked by @NgModule decorator which provides compilation context for components. It takes a metadata object that describes how to compile a template of a component. The SPA always has at least one root module for bootstrapping the applications.

Components are basic building blocks for the angular application. Components are defined by the @component decorator. It has a selector, template, style, and more properties. An angular application identifies the class just below it as a component using @Component() decorator. Besides, it also provides the template and specific metadata related to that component.

A template combines HTML with Angular markup that can modify HTML before rendering them on the browser. Template directives serve two purposes: firstly, it provides program logic, and secondly, it binds markup with application data and DOM. We have two types of data binding:

• Event Binding:- It helps to respond to user input in the target environment by updating data.
• Property Binding:- It lets us values to be interpolated that are computed from application data by rendering it on HTML.

Templates can transform the values for display using pipes and improve the user experience as a result. Angular provides predefined pipes for common transformations and you can create your own pipes.

Also Read: Overview Of Angular version 10

Some featured modules in angular are:

• View Components
• Service Component

View  Components

views are browser elements that we can modify according to our application need and logics.

Service Components

They provide specific functionality and are not directly linked to views. We can introduce service providers into components as dependencies to make modular code reusable and efficient.

 

Also Read: Pipes in Angular

There is at least one component in the Angular application, known as the root component that connects all components with the DOM (Document Object Model). Each component has its own class that contains application logic and data.

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