python ruby-programming-language Smalltalk Vue.js Knockoutjs TypeScript JavaScript, OOPs JavaScript Angular 8,7,6,5,4 and 2 Interview Questions and Answers Angular 8,7,6,5,4 and 2 Interview Questions and Answers Angular 4 Angular 2 AngularJs 1.x NodeJs Perl Programming R Programming RequireJs Rust Programming Backbonejs closure programming language go-programming-language kotlin-programming-language
Angular 2 System is not defined.

Angular 2 System is not defined.


You can Try to include the System JS file in your HTML header file and resolve this error.

Include SystemJS Script.

<script src="https://jspm.io/[email protected]"></script>

The Example for detail as given below.

index.html file

<!DOCTYPE html>
<html>

<head>
    <link rel="stylesheet" href="style.css" />
    <script src="https://jspm.io/[email protected]"></script>
    <script src="https://code.angularjs.org/2.0.0-alpha.36/angular2.min.js"></script>
    <script>
      System.config({
        paths: {
          'main.js':'main.js'
        }
      });

      System.import('main.js');
    </script>
</head>

<body>
    <app></app>
</body>

</html>


main.js file

import {Component, View, bootstrap} from 'angular2/angular2';

@Component({
  selector: 'app',
  bindings: [Service]
})
@View({
  template: '{{greeting}} I am Anil!'
})
class App {
  constructor(service: Service) {
    this.greeting = service.greeting();
    setTimeout(() => this.greeting = 'Hi,', 2000);
  }
}

class Service {
  greeting() {
    return 'Welcome you!';
  }
}

bootstrap(App);


The live demo example


ANIL SINGH

Hi there! Welcome to my blog. My name is Anil Singh. I'm a author of this blog. For more detail about me, kindly refer to this link..
My Blogs - http://code-sample.com and http://code-sample.xyz
My Books - Interview Questions and Answers Books- Get Your Book in 15+ Digital Stores Worldwide..

You Might Also Like
www.code-sample.com/. Powered by Blogger.
ASK Questions