diff --git a/source/Ox/js/DOM.js b/source/Ox/js/DOM.js
index b022b515..42cadfe2 100644
--- a/source/Ox/js/DOM.js
+++ b/source/Ox/js/DOM.js
@@ -236,6 +236,12 @@ Ox.$ = Ox.element = function(value) {
             return this;
         },
         /*@
+        is <f> Returns true if the element matches the query
+        @*/
+        is: function(query) {
+            return Ox.contains(this.parent().querySelectorAll(query), this[0]);
+        },
+        /*@
         next <f> Returns the sibling after this element
             () -> <h> Next element
         @*/