var clicks = 0;


function doGet(e) {
  Logger.log(JSON.stringify(e));
  var htmlOutput = HtmlService.createTemplateFromFile('ExampleFile3');
  if (!e.parameter['update']) {
    htmlOutput.update = '';
    clicks = clicks + 99;
  }
  else {
    htmlOutput.update = 'updated value is: ' + e.parameter['update'];
    clicks = clicks + 7;
  }
  clicks = clicks + 3;
  htmlOutput.clicks = clicks;
  htmlOutput.count = clicks;
  htmlOutput.count = 'count is: ' + clicks;
  htmlOutput.url = getUrl();
  return htmlOutput.evaluate();
}





function getUrl() {
  var url = ScriptApp.getService().getUrl();
  return url;
}