Method scroll

apps/rxjs.dev/src/app/shared/scroll.service.ts:83–89

* Scroll to the element with id extracted from the current location hash fragment. * Scroll to top if no hash. * Don't scroll if hash not found.

()

   * Don't scroll if hash not found.
   */
  scroll() {
    const hash = this.getCurrentHash();
    const element: HTMLElement = hash
        ? this.document.getElementById(hash)
        : this.topOfPageElement;
    this.scrollToElement(element);
  }

  /**
   * test if the current location has a hash