مدیاویکی:Gadget-interwiki.js

/**
 * Add arrows on sidebar to compare current page to interlanguage link'd page
 * by [[user:Pathoschild]], based on older script by unknown
 * rewritten by User:Ebrahim
 */
$(function () {
    if (mw.config.get('wgNamespaceNumber') !== 0) return;
    $('li.interlanguage-link').each(function () {
    	$(this).append(' ', $('<a>', {
    		href: new mw.Uri().extend({
    			match: (/interwiki-([\w\-]*)/g.exec(this.className) || [])[1]
    		}).toString(),
    		html: '&hArr;'
    	}));
	});
});