jQuery.widget: Adding examples for _super() and _superApply().

Author: tjvantoll

entries/jQuery.widget.xml

@@ -265,7 +265,7 @@ _setOptions: function( options ) {
 
     $.each( options, function( key, value ) {
         that._setOption( key, value );
-        if ( key == "height" || key == "width" ) {
+        if ( key === "height" || key === "width" ) {
             resize = true;
         }
     });
@@ -294,10 +294,10 @@ _setOptions: function( options ) {
 					<desc>Update a widget's element when its <code>height</code> or <code>width</code> option changes.</desc>
 					<code><![CDATA[
 _setOption: function( key, value ) {
-    if ( key == "width" ) {
+    if ( key === "width" ) {
         this.element.width( value );
     }
-    if ( key == "height" ) {
+    if ( key === "height" ) {
         this.element.height( value );
     }
     this._super( key, value );
@@ -359,6 +359,14 @@ this._off( this.element, "click" );
 				<desc>
 					Invokes the method of the same name from the parent widget, with any specified arguments. Essentially <code>.call()</code>.
 				</desc>
+				<example>
+					<desc>Call the parent widget's <code>_setOption()</code> method.</desc>
+					<code><![CDATA[
+_setOption: function( key, value ) {
+    this._super( key, value );
+}
+]]></code>
+				</example>
 			</method>
 			<method name="_superApply">
 				<desc>
@@ -367,6 +375,14 @@ this._off( this.element, "click" );
 				<argument name="arguments" type="Array">
 					<desc>Array of arguments to pass to the parent method.</desc>
 				</argument>
+				<example>
+					<desc>Call the parent widget's <code>_setOption()</code> method.</desc>
+					<code><![CDATA[
+_setOption: function( key, value ) {
+    this._superApply( arguments );
+}
+]]></code>
+				</example>
 			</method>
 			<method name="_delay" return="Number">
 				<desc>
@@ -414,7 +430,7 @@ this._hoverable( this.element.find( "div" ) );
 				<example>
 					<desc>Apply focusable styling to a set of elements within the widget.</desc>
 					<code><![CDATA[
-this._focusable( this.element.find( "my-items" ) );
+this._focusable( this.element.find( ".my-items" ) );
 ]]></code>
 				</example>
 			</method>