ntById('menu-search-box');
  this.$searchResults = document.getElementById('menu-search-results');

  this.loadBiblio();

  document.addEventListener('keydown', this.documentKeydown.bind(this));

  this.$searchBox.addEventListener(
    'keydown',
    debounce(this.searchBoxKeydown.bind(this), { stopPropagation: true })
  );
  this.$searchBox.addEventListener(
    'keyup',
    debounce(this.searchBoxKeyup.bind(this), { stopPropagation: true })
  );

  // Perform an initial search if the box is not empty.
  i