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编辑当前文件:/home2/sdektunc/.trash/templates/cassiopeia/js/template.js

/**
 * @package     Joomla.Site
 * @subpackage  Templates.Cassiopeia
 * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 * @since       4.0.0
 */

Joomla = window.Joomla || {};

(function(Joomla, document) {
  'use strict';

function initTemplate(event) {
    var target = event && event.target ? event.target : document;

/**
     * Prevent clicks on buttons within a disabled fieldset
     */
    var fieldsets = target.querySelectorAll('fieldset.btn-group');
    for (var i = 0; i < fieldsets.length; i++) {
      var self = fieldsets[i];
      if (self.getAttribute('disabled') ===  true) {
        self.style.pointerEvents = 'none';
        var btns = self.querySelectorAll('.btn');
        for (var ib = 0; ib < btns.length; ib++) {
          btns[ib].classList.add('disabled');
        }
      }
    }
  }

document.addEventListener('DOMContentLoaded', function (event) {
    initTemplate(event);

/**
     * Back to top
     */
    var backToTop = document.getElementById('back-top');

if (backToTop) {

function checkScrollPos() {
        if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
          backToTop.classList.add('visible');
        } else {
          backToTop.classList.remove('visible')
        }
      }

checkScrollPos();

window.onscroll = function() {
        checkScrollPos();
      };

backToTop.addEventListener('click', function(event) {
        event.preventDefault();
        window.scrollTo(0, 0);
      });
    }

[].slice.call(document.head.querySelectorAll('link[rel="lazy-stylesheet"]'))
      .forEach(function($link){
        $link.rel = "stylesheet";
      });
  });

/**
   * Initialize when a part of the page was updated
   */
  document.addEventListener('joomla:updated', initTemplate);

})(Joomla, document);