Create new file in a folder with Apps Script using Google Advanced Drive service

Question

There are four ways to create a new file:

• DocsList - Shown as DocsList in the Main List. Built in to Apps Script.
• DriveApp - Shown as

Answer 1

I was able to use the DriveApp to create a file in a specified folder this way.

var driveFolder = DriveApp.getFolderByName("MyDriveFolder");
var file = driveFolder.createFile(formObject.txtReceipt);
file.setName("MyFile");    

PS: formObject.txtReceipt is coming from a file upload control on a form in the html and this returns a blob