https://www.victronenergy.com/static/js/jhouston-simple.js?1570475477

1// Don't add any requirements for jQuery or the likes, keep it simple!
2(function() {
3    var prevOnError = window.onerror;
4    var CORS_GET = function(url, data) {
5        if (url.indexOf('?') === -1) {
6            url = url+'?';
7        } else {
8            url = url+'&';
9        }
10        for (var key in data) {
11            url = url + encodeURIComponent(key) + '=' + encodeURIComponent(data[key]) + '&';
12        }
13
14        var getScript = document.createElement('script');
15        getScript.setAttribute('src', url);
16        getScript.setAttribute('async', 'async');
17        document.getElementsByTagName('head')[0].appendChild(getScript);
18    };
19
20    window.onerror = function (errorMsg, url, lineNumber, columnNumber, error) {
21        CORS_GET(window.JHOUSTON_DESTINATION || 'https://jhouston.ytec.nl/jhouston/simple/', {
22            message: errorMsg,
23            line_number: lineNumber,
24            column_number: (columnNumber != null ? columnNumber : ''),
25            url: url,
26            document_url: document.URL,
27            stacktrace: (error != null ? error.stack : ''),
28            project_name: 'Victron Energy WWW',
29        });
30
31        if (prevOnError) {
32            return prevOnError(errorMsg, url, lineNumber, columnNumber, error);
33        }
34
35        return false; // don't stop the error handler
36    };
37})();