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June 24, 2015 06:02
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Angular 2 Demo Code
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| /// <reference path="typings/angular2/angular2.d.ts" /> | |
| import {Component, Directive, View, Inject, coreDirectives, bootstrap} from 'angular2/angular2'; | |
| import {NameService} from 'nameService'; | |
| import {Logger} from 'logger'; | |
| @Component({ | |
| selector: 'my-app' | |
| }) | |
| @View({ | |
| template: ` | |
| <div> | |
| <input type="text" #input (keyup)="update(input.value)" logger> | |
| <div *ng-for="#name of names"> | |
| <name-component name="name">Hello {{ name }}</name-component> | |
| </div> | |
| </div> | |
| `, | |
| directives: [coreDirectives, Logger] | |
| }) | |
| class MyAppComponent { | |
| private names; | |
| constructor(@Inject(NameService) nameService) { | |
| this.names = [nameService.getName()]; | |
| } | |
| update(val: string) { | |
| this.names = val.split(','); | |
| } | |
| } | |
| bootstrap(MyAppComponent, [NameService]); |
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| <html> | |
| <head> | |
| <title>Angular 2 Demo</title> | |
| <script src="https://github.jspm.io/jmcriffey/bower-traceur-runtime@0.0.87/traceur-runtime.js"></script> | |
| <script src="https://jspm.io/system@0.16.js"></script> | |
| <script src="https://code.angularjs.org/2.0.0-alpha.26/angular2.dev.js"></script> | |
| </head> | |
| <body> | |
| <!-- The app component created in app.ts --> | |
| <my-app></my-app> | |
| <script>System.import('app');</script> | |
| </body> | |
| </html> |
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| /// <reference path="typings/angular2/angular2.d.ts" /> | |
| import {Directive} from 'angular2/angular2'; | |
| @Directive({ | |
| selector: '[logger]', | |
| hostListeners: { | |
| 'change': 'logValue($event)' | |
| } | |
| }) | |
| export class Logger { | |
| constructor() { | |
| console.log('logger instantiated!'); | |
| } | |
| logValue(event: Event) { | |
| var target: HTMLInputElement = <HTMLInputElement>event.target; | |
| console.log(target.tagName + ' value is: ' + target.value); | |
| } | |
| } |
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| export class NameService { | |
| private name; | |
| constructor() { | |
| this.name = "AngularJS Vienna"; | |
| } | |
| getName() { | |
| return this.name; | |
| } | |
| } |
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This is the demo code I used in a talk "Angular 2 - A First Look", given on 23/06/15 at the AngularJS Vienna meetup.