ReferenceError: "document" is not defined

Question

Im new to JavaScript and even more new to Google Apps Script. Im trying a simple function that shows the current date (only day, month e and full year), but the Google Script show the error ReferenceError: "document" is not defined.

My goal is to use this function in a Google Site. Here is the code:

function Data()
{
var d=new Date();
var dia=d.getDate();
var mes=d.getMonth();
var ano=d.getFullYear();
var DataCompleta=dia + "/" + mes + "/" + ano
document.write(DataCompleta);
}

Answer 1

As said in the former answer you can't execute a function directly in the Browser, you'll have to choose a so called 'container' to run your function from it. I would recommand you read the documentation and maybe try a few simple tutorials to see how GAS can be executed.

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EDIT : following your comments, feel free to have a look at this script built with UiApp, the result is viewable here and shows what you wanted to : "Hello, today is 25/10/2012"