https://by-them.com/wp-content/plugins/muse/src/Custom/js/rdemail.js?ver=83ce794bc76e321846768cd84527bfde

1var getUrlParameter = function getUrlParameter(sParam) {
2    var sPageURL = window.location.search.substring(1),
3        sURLVariables = sPageURL.split('&'),
4        sParameterName,
5        i;
6    for (i = 0; i < sURLVariables.length; i++) {
7        sParameterName = sURLVariables[i].split('=');
8        if (decodeURIComponent(sParameterName[0]) === sParam) {
9            return sParameterName[1] === undefined ? true : decodeURIComponent(sParameterName[1]);
10        }
11    }
12};
13
14var escape_html = function (string) {
15    if (typeof string !== 'string') {
16        return string;
17    }
18    return string.replace(/[&'`"<>]/g, function(match) {
19        return {
20            '&': '&amp;',
21            '\'': '&#x27;',
22            '`': '&#x60;',
23            '"': '&quot;',
24            '<': '&lt;',
25            '>': '&gt;',
26        }[match]
27    });
28}
29
30var run = function() {
31    var key = 'rdemail';
32    var v = escape_html(getUrlParameter(key));
33    if (v !== undefined) {
34        try {
35            jQuery('input.rdemail').val(v);
36        } catch (e) {
37            console.error(e);
38            return false;
39        }
40    }
41}
42
43run();