Greasy Fork is available in English.
Automatically submits the form if a barcode scanner (or user) presses enter on the first text field
// ==UserScript==
// @name Gdocs form autosubmit
// @namespace https://greasyfork.org/users/5660
// @version 0.1
// @description Automatically submits the form if a barcode scanner (or user) presses enter on the first text field
// @author Melgior
// @match https://docs.google.com/*/viewform*
// @grant none
// ==/UserScript==
document.querySelector("input[type=text]").addEventListener('keypress', function(e){
if (e.keyCode == 13) {
window.onbeforeunload = null;
e.target.form.submit();
}
});