Skip to main content

What's Angular Elements? - Angular 6+ Most Appreciated Features!

Angular Elements resolve the problems of code reuse across multiple frameworks and provides a great way to use Angular components in non-Angular environments.

So, where would we use Angular Elements? Rob Wormald covered three main areas with examples in his ng-conf 2018 talkon Angular Elements.

The list of browsers support for custom Angular elements -
1.      Chrome,
2.      Opera,
3.      Safari,
4.      Firefox,

5.      Edge

What's Angular Elements?
Angular Element is a package which is part of the Angular framework- @angular/elements and it was introduced in Angular 6 and hopefully, this will improve with Angular 7 or higher versions.
Angular Elements was the brainchild of Angular’s and it one of the most anticipated features of Angular 6 release.

Angular 6 will be the first release that fully supports Angular elements.

Angular elements will give you the ability to use your Angular components in other environments like a jQuery app or Vue.js app or anything else.

It is very useful, especially when you working with dynamically loaded HTML code.

It also offers functionality that allows you to convert a normal Angular component to a native web component.

Angular Elements give you an easy way to implement a web standard. There is no smoke and mirrors.

Custom Elements, let you create custom tags in a framework-agnostic way. They let you reuse your Angular components in any webpage. Yes, you can embed Angular Elements inside a React.js or Vue.js page without any knowledge of Angular.

How to Create a Custom Angular Elements?

Custom Elements remove the need to rewrite a widget every-time a new framework pops up.
How do Angular Elements work?
1.      They are self-Bootstrapping.
2.      They actually host the Angular Component inside a Custom Element.
3.      They’re a bridge between the DOM APIs and Angular Components.
4.      Anyone can use your component without having to know Angular.

What are the features of Angular Elements?
The features of Angular Elements -
1.      Self-bootstrapping
2.      Hosts an Angular Component inside a Custom Elements
3.      A bridge between DOM and Angular Components APIs

What are Advantages of Angular Elements?
Advantages of Angular Elements -
1.      Reusability - Reuse components in across your apps
2.      Widgets – You can use Angular components in other environments.
3.      CMS Pages
4.      And many more.

How to Install Angular Elements?
To add support for Angular Elements use the Angular CLI command - ng add.

ng add @angular/elements

What Is “ng add” for Angular Elements?
The “ng add” command is built on schematics. When you run ng add @angular/elements the CLI scans your project and updates your code to support Angular Elements.

It’s automatic. There’s no manual configuration required. 

After successfully added in your project -

Two dependencies are added to the package.json which is the following.
1.      @angular/elements: “^6.0.1
2.      document-register-element: ^1.7.2

It’s automatic. There’s no manual configuration required.

How to create an Angular Element?
Can you show me an example of an Angular Element?

Simply you can create a normal Angular component with inputs & outputs and import this component inside your angular module with helps of @angular/elements.

Now, your elements are ready to use inside a simple HTML page-

<my-custom-elmet message="This is my custom element "></my-custom-elmet>


To learn more, you can watch Rob Wormald’s talk about Angular Elements at ng-conf.
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1:   To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue  import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = {   providers: [ provideRouter(routes),  provideClientHydration(), provideHttpClient ()      ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü   Tables and data grids ü   Notifications ü   Loader ü   Calendar ü   Display time, date and age ü   Progress Bar ü   Tooltip ü   Overlay ü   Icons ü   Menu ü   Charts ü   Map ü   Pdf viewer ü   And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan ...

55 Best TypeScript Interview Questions and Answers - JavaScript!

What Is TypeScript? By definition, "TypeScript is a typed superset of JavaScript that compiles to plain JavaScript." TypeScript is a superset of JavaScript which provides optional static typing, classes and interfaces. => The TypeScript was first made public in the year 2012. => Typescript is a modern age JavaScript development language. => TypeScript is a strongly typed, object oriented, compiled language. => TypeScript was designed by Anders Hejlsberg (designer of C#) at Microsoft. => TypeScript is both a language and a set of tools. As an Example of TypeScript, class Hello {     msg : string ;      constructor ( message : string ) {          this . msg = message ;      }       getMsg () {          return "Hello, " + this . msg ;      } } TypeScript introduced a great deal...