Using iframe in Angular

import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer} from '@angular/platform-browser';

@Pipe({ name: 'safe' })
export class SafePipe implements PipeTransform {
  constructor(private sanitizer: DomSanitizer) {}
  transform(url) {
    return this.sanitizer.bypassSecurityTrustResourceUrl(url);
  }
}
<iframe width="100%" height="300" [src]="url | safe"></iframe>

References
https://stackoverflow.com/questions/38037760/how-to-set-iframe-src-without-causing-unsafe-value-exception