import { Component , ElementRef } from '@angular/core' ; import { hightlight } from '../highlight' ; @ Component ( { selector : 'app-four' , template : `
  {{cdCheck()}}
     <a>Cmp4</a>
  ` , styles : [ ] } ) export class FourComponent { constructor ( private el ) { } cdCheck ( ) { hightlight ( this . el ) ; } }