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' ) );
	});*/
	
	if ( mw.config.get('wgIsArticle')) {
		var namespace = mw.config.get('wgFormattedNamespaces')[mw.config.get('wgNamespaceNumber')];
		var serverInfo = "";
		if (mw.config.get('wgCategories').includes('Server Information')) {
			serverInfo = 'Server Information > ';
		}
		
		var worldCat = '';
		for (var i = 0; i < mw.config.get('wgCategories').length; i++) {
			if ( mw.config.get('wgCategories')[i].indexOf('Survival ') > -1) {
	    		worldCat = mw.config.get('wgCategories')[i] + '';
	        	break;
			}
		}
		
		$('#breadcrumbs-test').text('' + namespace + ' > ' + serverInfo + worldCat + ' > ' + mw.config.get( 'wgTitle' ));
	
	}
		
});

MediaWiki

Gadget-breadcrumbs.js