@@ -15,7 +15,7 @@ Well, luckily jQuery is ridiculously easy to extend, so why not just mix that fu return (this.length > 0); } -jQuery.fn.empty = function() { +jQuery.fn.none = function() { return (this.length == 0); }</pre> @@ -24,3 +24,6 @@ That's all you have to do! Now we can make the same call as before, but it looks <pre name='code' class='js'>if ($('some.element').any()) { // do something more readably... }</pre> + +*UPDATE:* Apologies, I added in the <code>empty</code> bit as a last-second update to the post and forgot to check and realize that <code>empty()</code> is part of jQuery core. Updated the name to <code>none</code> instead. + _posts/2009-06-19-quick-tip-railsy-array-checks-in-jquery.textile 007740dde12dee48ba702f9e33291c6eed2328de Michael Bleigh michael@intridea.com http://github.com/mbleigh/mbleigh.github.com/commit/1f43a621ff08e40fb3f7e52e539f17e0d08e7af3 1f43a621ff08e40fb3f7e52e539f17e0d08e7af3 2009-06-22T08:47:03-07:00 2009-06-22T08:47:03-07:00 Fixing mistake in last post. a050db76a82353f6a02fec07da0ce51776b3afa4 Michael Bleigh michael@intridea.com