Removes the attribute autocomplete=off of forms and inputs.
// ==UserScript==
// @name Remove autocomplete=off
// @namespace remove-autocomplete-off
// @version 1
// @description Removes the attribute autocomplete=off of forms and inputs.
// @grant none
// ==/UserScript==
Array.prototype.forEach.call(document.querySelectorAll('[autocomplete]'), function(el){
el.setAttribute('autocomplete', 'on');
});