Utils

• Utils

Location

import { Location } from “@angular/common”
@Component({ 
 … 
}) 
export class AppComponent { 
 constructor(private location: Location) {} navigateTo(url) { 
	 this.location.go(url) 
	 } goBack() { 
	 location.back() 
	 } goForward() { 
	 location.forward() 
	 } 
}

Document

@Component({}) 
 
export class CanvasElement { 
 
 constructor(@Inject(DOCUMENT) _doc: Document) {} renderCanvas() { 
 
 this._doc.getElementById(“canvas”) 
 
 } 
 
}