Userscript that enables jQuery-friendly defaults for jsFiddle.

jsfiddle-jquery-defaults.user.js

// ==UserScript==
// @name Sensible defaults for jsFiddle.
// @author Mathias Bynens <http://mathiasbynens.be/>
// @modified-by Yahel Carmon
// @link http://mths.be/bde
// @match http://jsfiddle.net/*
// ==/UserScript==

if(window.location.pathname === "/") //only on new Fiddles
{
// Insert JS on DOM Ready and use jQuery Edge
[].forEach.call(document.querySelectorAll('#js_wrap option[value="d"], #js_lib option[value="46"]'), function(el) {
	el.selected = true;
});

// Don’t use the “normalized” CSS (it’s more like a reset anyway)
document.getElementById('id_normalize_css').checked = false;
}