<title>:data() Selector 实例</title>
<link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
<script src="/js/jqu/jquery.min1.10.2.js"></script>
<script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
$( "#one" ).data( "color", "blue" );
$( "#three" ).data( "color", "green" );
$( ":data(color)" ).each(function() {
element.css( "backgroundColor", element.data( "color" ) );