User script that removes Wikipedia banners

nottodayjimmywales.user.js

// ==UserScript==
// @name           Not today, Jimmy Wales!
// @namespace      http://jau.org/userscripts
// @include        http://*.wikipedia.org/*
// @include        http://*.wikiversity.org/*
// ==/UserScript==


/*
Firefox: runs over GreaseMonkey or Scriptish
Chrome: runs over Tampermonkey
*/

var BANNER_IDS = ['centralNotice', 'B11_Donate_Projects_AvsB', 'siteNotice'];

document.addEventListener("DOMNodeInserted", function() {
	var i;
	for (i=0; i < BANNER_IDS.length; i++) {
		var banner = document.getElementById(BANNER_IDS[i]);
		if (banner != null) {
			banner.style.display = "none";
		}
	}
}, false);