MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
$(function () {
    // Tworzymy nowy link
    var link = $('<a>')
        .attr('href', '/wiki/Deklaracja_dostepnosci') 
        .text('Deklaracja dostępności');

    $('<li>').append(link).appendTo('#footer-places li:last').parent(); 
});