function GlobalErrorHandler(url) {
  this.url = url;

  function logConsolError(e) {
    if (
      typeof console !== 'undefined' &&
      typeof console.error !== 'undefined'
    ) {
      console.error(e);
    }
  }

  window.onerror = function (msg, url, lineNo, columnNo, error) {
    try {
      var message = {};
      message.Message = msg;
      message.URL = url;
      message.Line = lineNo;
      message.Column = columnNo;
      message.Error = error;
      message.Agent = navigator.userAgent;

      if (error && error.stack) {
        message.StackTrace = error.stack;
      }

      if (
        message.Message == 'Unspecified error.' &&
        message.Line == 1 &&
        message.Column == 1
      ) {
        return; /*IE dob egy hibát bezárásnál ha a consol fel volt nyitva.*/
      }
      var csrfToken = $("input[name='__RequestVerificationToken']").val();
      var stringData = JSON.stringify({ clientError: message });
      $.ajax({
        type: 'POST',
        headers: { 'X-Request-Verification-Token': csrfToken },
        url: this.url,
        data: stringData,
        async: true,
        cache: false,
        datatype: 'json',
        contentType: 'application/json; charset=utf-8',
        error: function (response) {
          logConsolError(msg);
        }
      });
    } catch (e) {
      logConsolError(e);
    }
    return false;
  };
}