// #docregion import { Directive, ElementRef, Renderer } from '@angular/core'; @Directive({ selector: '[highlight]' }) /** Highlight the attached element in gold */ export class HighlightDirective { constructor(renderer: Renderer, el: ElementRef) { renderer.setElementStyle(el.nativeElement, 'backgroundColor', 'gold'); console.log( `* AppRoot highlight called for ${el.nativeElement.tagName}`); } }