JS Error Reporting with Keen IO

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<!DOCTYPE html>
<html>
<head>
  <script src="keen-3.0.0.track.min.js"></script>
  <script src="keen-reporter.js"></script>
  <script>
  !function(){
    var keen = new Keen({
      projectId: "",
      writeKey: "",
      requestType: "beacon",
      js_reporter: true
    });
  }();
  </script>
  <script src="trigger-error.js"></script>
</head>
<body></body>
</html>
    