Angular2 Query Select

참고 Url: http://stackoverflow.com/questions/33770902/how-to-write-alternative-code-document-queryselector-in-angular-2-typescript

@Component({
  selector: 'my-app',
  template : ``
})
export class App implements AfterViewInit {

  // myVideo == #my-video
  @ViewChild('myVideo') myVideo: any;

  afterViewInit() {
    let video = this.myVideo.nativeElement;
    video.src = URL.createObjectURL(yourBlob);
    video.play();
  }

//this.renderer.setElementClass(this.video.nativeElement, 'flash', true);