https://www.regiedesbatiments.be/themes/custom/regie_batiments/js/behaviors/breakpoint.js?tm9aog

1/**
2 * @file
3 * Breakpoints in JavaScript.
4 *
5 * Importing CSS Breakpoints Into JavaScript.
6 * See the following Lullabot article for more information,
7 * https://www.lullabot.com/articles/importing-css-breakpoints-into-javascript.
8 */
9
10var breakpoint = {};
11
12(function ($, Drupal) {
13
14  Drupal.behaviors.breakpoint = {
15    attach: function attach(context) {
16      breakpoint.refreshValue = function () {
17        this.value = window
18          .getComputedStyle(document.querySelector('body'), ':before')
19          .getPropertyValue('content')
20          .replace(/\"/g, '');
21      };
22
23      $(window).resize(function () {
24        breakpoint.refreshValue();
25      }).resize();
26
27      window.breakpoint = breakpoint;
28    }
29  }
30
31})(jQuery, Drupal);