Added data(attr) and data(attr, val) functions to jquery compat plugin

jquery-compat/README.md

@@ -1,3 +1,3 @@
 jQuery Compatibility Plug-In for XUI
 -------------
-Adds functions `add`, `end`, `show` and `hide`, for compatibility with jQuery.
+Adds functions `add`, `end`, `show`, `hide` and `data`, for compatibility with jQuery.

jquery-compat/jquery-compat.js

@@ -1,28 +1,41 @@
 xui.extend({
-	/**
-	 * Adds more DOM nodes to the existing element list.
-	 */
-	add: function(q) {
-	  [].push.apply(this, slice(xui(q)));
-	  return this.set(this.reduce());
-	},
+    /**
+     * Adds more DOM nodes to the existing element list.
+     */
+    add: function(q) {
+        [].push.apply(this, slice(xui(q)));
+        return this.set(this.reduce());
+    },
 
-	/**
-	 * Pops the last selector from XUI
-	 */
-	end: function () {	
-		return this.set(this.cache || []);	 	
-	},
-  /**
-   * Sets the `display` CSS property to `block`.
-   */
-  show:function() {
-    return this.setStyle('display','block');
-  },
-  /**
-   * Sets the `display` CSS property to `none`.
-   */
-  hide:function() {
-    return this.setStyle('display','none');
-  }
+    /**
+     * Pops the last selector from XUI
+     */
+    end: function () {
+        return this.set(this.cache || []);
+    },
+
+    /**
+     * Sets the `display` CSS property to `block`.
+     */
+    show: function() {
+        return this.setStyle('display','block');
+    },
+
+    /**
+     * Sets the `display` CSS property to `none`.
+     */
+    hide: function() {
+        return this.setStyle('display','none');
+    },
+
+    /**
+     * Gets or sets `data` attributes on elements.
+     */
+    data: function(attr, val) {
+        if (arguments.length == 2) {
+            return this.attr('data-' + attr, val);
+        } else {
+            return this.attr('data-' + attr);
+        }
+    }
 });