Widget: Give example of getting all elements that are instances of the widget.

Author: tjvantoll

entries/jQuery.widget.xml

@@ -87,7 +87,7 @@
 
 			<h3>Instance</h3>
 
-			<p>The widget's instance is stored using jQuery core's <a href="http://api.jquery.com/jQuery.data/">data method</a> with the widget's full name as the key. Therefore, you can use the following to retrieve the progressbar widget's instance object from the element.</p>
+			<p>The widget's instance is stored using <a href="http://api.jquery.com/jQuery.data/"><code>jQuery.data()</code></a> with the widget's full name as the key. Therefore, you can use the following to retrieve the progressbar widget's instance object from the element.</p>
 
 			<pre><code>
 				$( "#elem" ).data( "ui-progressbar" );
@@ -99,6 +99,12 @@
 				$( "#elem" ).is( ":data( 'ui-progressbar' )" ); // true
 				$( "#elem" ).is( ":data( 'ui-draggable' )" ); //false
 			</code></pre>
+
+			<p>You can also use <code>:data</code> to get a list of all elements that are instances of a given widget.</p>
+
+			<pre><code>
+				$( ":data( 'ui-progressbar' )" );
+			</code></pre>
 		</longdesc>
 		<category slug="utilities"/>
 	</entry>