Return HIT with CTRL-R
// ==UserScript==
// @name MTurk Return HIT with Hotkey
// @version 0.1
// @description Return HIT with CTRL-R
// @include https://www.mturk.com/mturk/accept*
// @include https://www.mturk.com/mturk/continue*
// @include https://www.mturk.com/mturk/preview*
// @include https://www.mturk.com/mturk/return*
// @include https://www.mturk.com/mturk/submit
// @require http://code.jquery.com/jquery-latest.min.js
// @namespace https://greasyfork.org/users/2698
// ==/UserScript==
document.addEventListener("keydown",function(i) {
if (i.keyCode == 82 ) {
i.preventDefault();
$('a[href^="/mturk/return?"]')[0].click();
}
});