I am trying to build a shared service as follow import {Injectable,EventEmitter} from 'angular2/core'; import {Subject} from 'rxjs/Subject'; import {BehaviorSubject} from 'rxjs/subject/BehaviorSub...

I've a simple question about change detection. I have a component and a (global) service with a boolean inside. How can I make the component listen to that boolean and execute a function if that b...

I've been working on a simple auto-scroll directive for chat-display: @Directive({ selector: "[autoScroll]" }) export class AutoScroll { @Input() inScrollHeight; @Input() inClientHeight; @Hos...

I'm creating a Facebook service that calls the Facebook javascript api and am wondering how to best implement change detection when my values are updated. I have a UserService which has a c...

I am trying to create a simple example project to test the angular 2 change detection mechanism: I create a pure javascript object in script tags on the main index page. it contains the following: ...