import { Component } from '@angular/core' ; @ Component ( { selector : 'al-hover-demo-with-out-on-push' , templateUrl : './hover-demo-with-out-on-push.component.html' , } ) export class HoverDemoWithOutOnPushComponent { public compute ( ) { for ( let i = 0 ; i < 100000000 ; i ++ ) { } return 'done' ; } }