More jQuery.speed() fixes.

[jquery.git] / src / fx / fx.js

diff --git a/src/fx/fx.js b/src/fx/fx.js
index 30bedbf..d83bf0d 100644 (file)
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -356,14 +356,14 @@ jQuery.fn.extend({
 jQuery.extend({
        
        speed: function(speed, easing, fn) {
-               var opt = speed.constructor == Object ? speed : {
+               var opt = speed && speed.constructor == Object ? speed : {
                        complete: fn || !fn && easing || 
-                               speed.constructor == Function && speed,
+                               speed && speed.constructor == Function && speed,
                        duration: speed,
                        easing: fn && easing || easing && easing.constructor != Function && easing
                };
 
-               opt.duration = (opt.duration.constructor == Number ? 
+               opt.duration = (opt.duration && opt.duration.constructor == Number ? 
                        opt.duration : 
                        { slow: 600, fast: 200 }[opt.duration]) || 400;