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   1  /**
   2   * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   3   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   4   */
   5  document.addEventListener('DOMContentLoaded', () => {
   6  
   7    const title = document.getElementById('jform_title');
   8    title.dpOldValue = title.value;
   9    title.addEventListener('change', ({
  10      currentTarget
  11    }) => {
  12      const label = document.getElementById('jform_label');
  13      const changedTitle = currentTarget;
  14  
  15      if (changedTitle.dpOldValue === label.value) {
  16        label.value = changedTitle.value;
  17      }
  18  
  19      changedTitle.dpOldValue = changedTitle.value;
  20    });
  21  });