chrome/test/chromedriver/js/is_option_element_toggleable.js

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function isOptionElementToggleable(option) {
   6   if (option.tagName.toLowerCase() != 'option')
   7     throw new Error('element is not an option');
   8   for (var parent = option.parentElement;
   9        parent;
  10        parent = parent.parentElement) {
  11     if (parent.tagName.toLowerCase() == 'select') {
  12       return parent.multiple;
  13     }
  14   }
  15   throw new Error('option element is not in a select');
  16 }