Landing a bunch of bug fixes from furf's pull request at eefcbaebb31b89b5eb360cd5ec61...

diff --git a/src/css.js b/src/css.js
index 5624959..f263de8 100644 (file)
--- a/src/css.js
+++ b/src/css.js
@@ -21,7 +21,7 @@ var ralpha = /alpha\([^)]*\)/,
 
 jQuery.fn.css = function( name, value ) {
        return jQuery.access( this, name, value, true, function( elem, name, value ) {
-               jQuery.css( elem, name, value );
+               return jQuery.css( elem, name, value );
        });
 };
 
@@ -66,16 +66,16 @@ jQuery.extend({
                                value += "px";
                        }
 
-                       if ( !("set" in hooks) || (value = hooks.set( elem, value )) === false ) {
+                       if ( !("set" in hooks) || (value = hooks.set( elem, value )) === undefined ) {
                                style[ name ] = value;
                        }
 
                } else {
-                       if ( "get" in hooks && (ret = hooks.get( elem, force, extra )) !== false ) {
+                       if ( "get" in hooks && (ret = hooks.get( elem, force, extra )) !== undefined ) {
                                return ret;
                        }
 
-                       if ( !force && name in style ) {
+                       if ( !force && style && style[ name ] ) {
                                ret = style[ name ];
 
                        } else if ( curCSS ) {
@@ -108,6 +108,8 @@ jQuery.extend({
 jQuery.each(["height", "width"], function( i, name ) {
        jQuery.cssHooks[ name ] = {
                get: function( elem, force, extra ) {
+                       var val;
+
                        if ( elem.offsetWidth !== 0 ) {
                                val = getWH( elem, name, extra );
 
@@ -116,11 +118,13 @@ jQuery.each(["height", "width"], function( i, name ) {
                                        val = getWH( elem, name, extra );
                                });
                        }
+
+                       return val;
                },
 
                set: function( elem, value ) {
                        // ignore negative width and height values #1599
-                       elem.style[ name ] = Math.max( parseFloat(value), 0 ) + "px";
+                       return Math.max( parseFloat(value), 0 ) + "px";
                }
        };
 });
@@ -174,7 +178,7 @@ if ( getComputedStyle ) {
 
 } else if ( document.documentElement.currentStyle ) {
        curCSS = function( elem, name ) {
-               var left, rsLeft, ret = elem.currentStyle[ name ];
+               var left, rsLeft, ret = elem.currentStyle[ name ], style = elem.style;
 
                // From the awesome hack by Dean Edwards
                // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291