Dropdown.prototype.toggle = function()

in templates/ydotm/bootstrap3.js [653:682]

• 20 lines of code
• 6 McCabe index (conditional complexity)

  Dropdown.prototype.toggle = function (e) {
    var $this = $(this)

    if ($this.is('.disabled, :disabled')) return

    var $parent  = getParent($this)
    var isActive = $parent.hasClass('open')

    clearMenus()

    if (!isActive) {
      if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {
        // if mobile we use a backdrop because click events don't delegate
        $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
      }

      var relatedTarget = { relatedTarget: this }
      $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))

      if (e.isDefaultPrevented()) return

      $parent
        .toggleClass('open')
        .trigger('shown.bs.dropdown', relatedTarget)

      $this.focus()
    }

    return false
  }