https://www.beauty-park.jp/js/common/popup_rdt.js

1const PopupRDT = {
2  _getIndexRamdom: function(data) {
3    const arr = [];
4    jQuery('#popup-rdt li').each(function(i, e) {
5      if (data.indexOf(jQuery(e).find('a').attr('href')) == -1) {
6        for(let j = 0; j < (jQuery(e).attr('weight') || 1); j++) {
7          arr.push(i);
8        }
9      }
10    });
11    if (arr.length == 0) return -1;
12    return arr[Math.floor(Math.random() * arr.length)];
13  },
14  _getCookieKey: function() {
15    let key = jQuery("#popup-rdt").attr('data');
16    if (!key || !key.match(/^[a-z0-9]*$/)) {
17      key = 'rdt';
18    }
19    return key;
20  },
21  _getCookie: function() {
22    let key = PopupRDT._getCookieKey();
23    for (let c of document.cookie.split(/; ?/)) {
24      c = c.split('=');
25      if (c[0] == key) {
26        return c[1].split(',');
27      }
28    }
29    return [];
30  },
31  _saveCookie: function(data, value) {
32    let now = new Date();
33    data.push(value);
34    data = data.filter((e, i) => data.indexOf(e) === i);
35    let key = PopupRDT._getCookieKey();
36    document.cookie = key + "=" + now.getTime() + ',' + data.join(',') + ";path=/;max-age=" + (60*60*24);
37  },
38  init: function() {
39    if (jQuery("#popup-rdt").length == 0) return;
40    this._remodal = jQuery("#popup-rdt").remodal();
41  },
42  popup: function() {
43    let now = new Date();
44    if (!this._remodal || this._remodal.getState() != 'closed') return;
45    const data = PopupRDT._getCookie();
46    const last_date = parseInt(data.shift());
47    if (now.getTime() < (last_date + (1000 * 60 * 60)))
48      return;
49    const index = PopupRDT._getIndexRamdom(data);
50    if (index < 0) return;
51    jQuery("#popup-rdt li").hide();
52    jQuery("#popup-rdt li").eq(index).show();
53    this._remodal.open();
54    let href = jQuery("#popup-rdt li").eq(index).find('a').attr('href');
55    PopupRDT._saveCookie(data, href);
56    ga('send', 'event', 'popup', 'impression', href);
57  }
58};
59window.addEventListener('DOMContentLoaded', function(){
60  PopupRDT.init();
61	jQuery(window).on("blur", function() {
62		PopupRDT.popup();
63  });
64});