ページのスクリプトが走る前にwindowオブジェクトに何か生やすGoogle Chrome用UserScriptサンプル

shingeki.user.js

// ==UserScript==
// @name           shingeki.js
// @namespace      http://twitter.com/amasawa
// @include        http://sp.pf.mbga.jp/12007160*
// @include        http://sp.pf.mbga.jp/12008054*
// @run-at         document-start
// ==/UserScript==

var script = document.createElement('script');
script.textContent = '\
ontouchstart = true;\
orientation = true;\
';

document.addEventListener('DOMNodeInserted', function(event) {
	document.removeEventListener('DOMNodeInserted', arguments.callee, false);
	event.target.appendChild(script);
}, false)

// location.href = 'javascript:ontouchstart=true;orientation=true;void(0)';