I've managed to display the calendar in the UI, but I can't make it react to any events. I've tried $(function() { $('#datepicker').datepicker({ onSelect: function(dateText, inst) {alert(dateText); } }); }); but it doesn't work... Please help
You may look on the page source to check if the script is rendering the same javascript code as you have written in your html page. HtmlService uses Google-Caja to filter unsafe javascript, html and CSS code. Please confirm if your function(dateText, inst) {alert(dateText); is not being filtered.