Simple Client-side Error logging

gistfile1.html

<!--
 From: https://metric.io/blog/2014/04/simple-client-side-error-logging
 
 Stacktrace.js available from http://stacktracejs.com
-->

<script src="/static/js/stacktrace.js"></script>
<script>
 window.onerror = function() {
    var stackTrace;
    var argData;
    var docData;
    var request;
    var _doc = {};
    
    var errorLoggingUrl = "https://www.yoursite.com/error-logging-url";

    _doc.URL = document.URL;
    docData = encodeURIComponent(JSON.stringify(_doc));
    argData = encodeURIComponent(JSON.stringify(arguments));
    stackTrace = JSON.stringify(printStackTrace());

    console.log(arguments);

    request = new XMLHttpRequest();
    request.open('POST', errorLoggingUrl);
    request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    request.onload = function (e) {};
    request.send("docData=" + docData + "&" + "argData="+ argData + "&" + "stackTrace=" + stackTrace);
    return false;
  }
</script>