Gadget-breadcrumbs.js

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$(document).ready(function() {
	
	/*$("#alertbutton-domino").click(function(){
		mw.messages.set({'sandbox-test': 'Testing'});
		var wiki_sandbox_obj = new mw.Message( mw.messages, 'sandbox-test' );
		mw.log( wiki_sandbox_obj.text() );
		mw.notify( mw.message( 'sandbox-test' ) );
	});*/
	
	function worldCat( pageCats ) {
		var world;
		for (var i = 0; i < pageCats.length; i++) {
			if ( pageCats[i].indexOf('Survival ') > -1) {
	    		world = pageCats[i] + '';
	        	return world;
			}
		}
		return false;
	}
	
	if ( mw.config.get('wgIsArticle') && (mw.config.get('wgNamespaceNumber') == 4 || mw.config.get('wgNamespaceNumber') == 0)) {
		//var namespace = mw.config.get('wgFormattedNamespaces')[mw.config.get('wgNamespaceNumber')];
		var serverInfo = "",
			siteContent = "",
			typeCategories = [
				"Bases",
				"Builds",
				"Events",
				"Groups",
				"Phenomenon",
				"Projects",
				"Stations",
				"Worlds"
				],
			pageCategories = mw.config.get('wgCategories');
		
		if (pageCategories.includes('Site Content')) {
			siteContent = 'Site Content > ';
		}	
		
		if (pageCategories.includes('Server Information')) {
			serverInfo = 'Server Information > ';
		}
		
		var world = '';
		if ( worldCat( pageCategories ) != false) {
			world = worldCat( pageCategories );
		}
		
		
		$('#breadcrumbs-test').text('' + siteContent + serverInfo + world + ' > ' + mw.config.get( 'wgTitle' ));
	
	}
		
});

MediaWiki

Gadget-breadcrumbs.js