effects/uses-of-queue-and-dequeue: update $.fn.delay source

Fixes jquerygh-289
Closes jquerygh-623

Author: arthurvr

page/effects/uses-of-queue-and-dequeue.md

@@ -12,11 +12,12 @@ To understand the internal jQuery queue functions, reading the source and lookin
 $.fn.delay = function( time, type ) {
 	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
 	type = type || "fx";
-	return this.queue( type, function() {
-		var elem = this;
-		setTimeout(function() {
-			jQuery.dequeue( elem, type );
-		}, time );
+
+	return this.queue( type, function( next, hooks ) {
+		var timeout = setTimeout( next, time );
+		hooks.stop = function() {
+			clearTimeout( timeout );
+		};
 	});
 };
 ```