get google doc as HTML in google app script [duplicate]

Question

How can I get google doc as HTML in google app script? For example. I can get document body like so.

DocumentApp.getActiveDocument().getBody();

But when I log it there is nothing.

Answer 1

function doc_to_html()
{
 var id = document_Id;
 var url = "https://docs.google.com/feeds/download/documents/export/Export?id="+id+"&exportFormat=html";
 var param = 
        {
          method      : "get",
          headers     : {"Authorization": "Bearer " + ScriptApp.getOAuthToken()},
          muteHttpExceptions:true,
        };
 var html = UrlFetchApp.fetch(url,param).getContentText();
}