rather, MooTools release 1.2.3
On Aug 3, 10:37 am, moonoob <[email protected]> wrote: > I'm having this exact error with MooTools 1.23. > > here's my code: > > window.addEvent('load', function() { > var slideFx = new Fx.Tween('slider'); > slideFx.start('top', 0, '50px'); > > }); > >
