export function getNavigationLinks(element: HTMLElement): HTMLElement[] {
  return <HTMLElement[]>Array.from(element.querySelectorAll('button'));
}

export function getMonthSelect(element: HTMLElement): HTMLSelectElement {
  return element.querySelectorAll('select')[0] as HTMLSelectElement;
}

export function getYearSelect(element: HTMLElement): HTMLSelectElement {
  return element.querySelectorAll('select')[1] as HTMLSelectElement;
}