https://www.hologic.es/themes/custom/hologic/site-studio-helper/st-references.js?tm4wcr

1(function ($, Drupal) {
2  'use strict';
3
4  /**
5   * Scrolls the document to the said position.
6   *
7   * @param options
8   *   Object specifying various options.
9   *
10   *   "y" position
11   *   "context" document context from drupal behaviors.
12   */
13  function stReferencesScrollTo(options) {
14    // To ensure some gap between the top and the element.
15    var exPad = 15;
16    var navBar = $('#navbar', options.context).length ? $('#navbar', options.context).height() : 0;
17    var toolBar = $('#toolbar-bar', options.context).length ? $('#toolbar-bar', options.context).height() : 0;
18    var toolBarAdminTray = $('#toolbar-item-administration-tray', options.context).length ? $('#toolbar-item-administration-tray', options.context).height() : 0;
19    var yFix = parseInt(0 - exPad - navBar - toolBar - toolBarAdminTray);
20    // Determine final y offsets.
21    var y = parseInt(options.y) + yFix;
22    $('html, body', options.context).animate({
23      scrollTop: y
24    }, 500);
25  };
26
27  /**
28   * Listen for anchors links & scroll to anchor in the references component.
29   *
30   * @type {Drupal~behavior}
31   */
32  Drupal.behaviors.stReferences = {
33    attach: function (context) {
34      var anchors = $('.site-studio-page.full a[href^="#"]', context);
35      anchors.click(function(e) {
36        var target = $('.coh-style-references-accordion---wrapper ' + this.getAttribute('href') + ':not(.coh-accordion-tabs-content)');
37        if (target.length) {
38          e.preventDefault();
39          var accordion = target.closest('.coh-style-references-accordion---wrapper', context);
40          accordion.find('.coh-accordion-title:not(.is-active) a').click();
41
42          stReferencesScrollTo({
43            x: target.offset().left,
44            y: target.offset().top,
45            context: context,
46          });
47        }
48      });
49    }
50  };
51})(jQuery, Drupal);