SO jQuery Fiddle

Test Fiddle mainly for SO Questions jQuery 1.4.3, UI 1.8.5

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/ui-lightness/jquery-ui.css">
<button class="up" data-value="1">Test</button>
<button class="down" data-value="2">Test 2</button>

JavaScript

$(function(){
    $(".up,.down").click(function(){
        alert($(this).data("value"));
   });
});