MediaWiki:Gadget-HideCentralNotice.js

/** * Prevent CentralNotice banners from being loaded. * * This script relies on being able to listen for events emitted * by the browser when it starts proccessing a script, image or iframe. * If this script is loaded after the one it is trying to prevent, it will * effectivelty do nothing. */ if ( document.addEventListener ) {

function blockBannerLoader (e) { var element, src; if (!e || !e.preventDefault) { return; };		element = e.target; if (!element) { return; }		if (element.nodeName.toLowerCase === 'script') { src = String(element.src); if (src.indexOf('Special:BannerLoader') !== -1 || src.indexOf('Special:BannerListLoader') !== -1) { e.preventDefault; }		}	}	// Listen to every script, image, iframe etc. being addded document.addEventListener('beforeload', blockBannerLoader, true); }