I\'m trying to do a wizard type application with Google Apps Script. Since styling with UiApp is so pain in the rear, I\'m trying with the HtmlService route. I can\'t get th
Posting itself doesn't work in HtmlService due to security restrictions imposed by Google Caja.
The correct way to do "form posts" in HtmlService is using google.script.run
syntax to call server side functions with client side context. See here for a detailed example - https://developers.google.com/apps-script/guides/html-service-communication#forms