Get html element

HTML:

<input type="submit" class="btn btn-login register-submit" (click)="keyboardFocus(focusChange)" value="Stay on the page" #focusChange>

Component:

@ViewChild('focusChange') elChange: ElementRef;

setTimeout(() => {
  this.elChange.nativeElement.focus();
}, 100

keyboardFocus(event): void {
  event.style.outline = "2px solid blue";
}

// used for angular material layout
keyboardMatTableFocus(event): void {
  event.srcElement.style.outline = "2px solid blue";
}