![jquery-ui-logo](http://codehints.in/wp-content/uploads/2015/04/jquery-ui-logo.gif)
$(function() { $('#slider').slider({ change: alertValue }); $("#down").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val - step); }); $("#up").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val + step); }); });