Fix for #910

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

diff --git a/src/fx/fx.js b/src/fx/fx.js
index d83bf0d..f20cc46 100644 (file)
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -112,11 +112,12 @@ jQuery.fn.extend({
         * @cat Effects
         */
        toggle: function( fn, fn2 ){
-               return fn ?
+               var args = arguments;
+               return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
                        this._toggle( fn, fn2 ) :
                        this.each(function(){
                                jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]
-                                       .apply( jQuery(this), arguments );
+                                       .apply( jQuery(this), args );
                        });
        },
        
@@ -358,7 +359,7 @@ jQuery.extend({
        speed: function(speed, easing, fn) {
                var opt = speed && speed.constructor == Object ? speed : {
                        complete: fn || !fn && easing || 
-                               speed && speed.constructor == Function && speed,
+                               jQuery.isFunction( speed ) && speed,
                        duration: speed,
                        easing: fn && easing || easing && easing.constructor != Function && easing
                };
@@ -368,11 +369,11 @@ jQuery.extend({
                        { slow: 600, fast: 200 }[opt.duration]) || 400;
        
                // Queueing
-               opt.oldComplete = opt.complete;
+               opt.old = opt.complete;
                opt.complete = function(){
                        jQuery.dequeue(this, "fx");
-                       if ( opt.oldComplete && opt.oldComplete.constructor == Function )
-                               opt.oldComplete.apply( this );
+                       if ( jQuery.isFunction( opt.old ) )
+                               opt.old.apply( this );
                };
        
                return opt;
@@ -410,9 +411,8 @@ jQuery.extend({
                var y = elem.style;
                
                // Store display property
-               var oldDisplay = jQuery.css(elem, 'display');
-               // Set display property to block for animation
-               y.display = "block";
+               var oldDisplay = jQuery.css(elem, "display");
+
                // Make sure that nothing sneaks out
                y.overflow = "hidden";
 
@@ -425,6 +425,8 @@ jQuery.extend({
                                jQuery.attr(y, "opacity", z.now); // Let attr handle opacity
                        else if ( parseInt(z.now) ) // My hate for IE will never die
                                y[prop] = parseInt(z.now) + "px";
+                       
+                       y.display = "block"; // Set display property to block for animation
                };
 
                // Figure out the maximum number to run to
@@ -486,7 +488,7 @@ jQuery.extend({
                        // Remember where we started, so that we can go back to it later
                        elem.orig[prop] = this.cur();
 
-                       if(oldDisplay == 'none')  {
+                       if(oldDisplay == "none")  {
                                options.show = true;
                                
                                // Stupid IE, look what you made me do
@@ -524,16 +526,16 @@ jQuery.extend({
 
                                if ( done ) {
                                        // Reset the overflow
-                                       y.overflow = '';
+                                       y.overflow = "";
                                        
                                        // Reset the display
                                        y.display = oldDisplay;
-                                       if (jQuery.css(elem, 'display') == 'none')
-                                               y.display = 'block';
+                                       if (jQuery.css(elem, "display") == "none")
+                                               y.display = "block";
 
                                        // Hide the element if the "hide" operation was done
                                        if ( options.hide ) 
-                                               y.display = 'none';
+                                               y.display = "none";
 
                                        // Reset the properties, if the item has been hidden or shown
                                        if ( options.hide || options.show )
@@ -541,11 +543,11 @@ jQuery.extend({
                                                        if (p == "opacity")
                                                                jQuery.attr(y, p, elem.orig[p]);
                                                        else
-                                                               y[p] = '';
+                                                               y[p] = "";
                                }
 
                                // If a callback was provided, execute it
-                               if ( done && options.complete && options.complete.constructor == Function )
+                               if ( done && jQuery.isFunction( options.complete ) )
                                        // Execute the complete function
                                        options.complete.apply( elem );
                        } else {