(function( jQuery ) {
-var ralpha = /alpha\([^)]*\)/,
+var ralpha = /alpha\([^)]*\)/i,
ropacity = /opacity=([^)]*)/,
rdashAlpha = /-([a-z])/ig,
rupper = /([A-Z])/g,
};
jQuery.fn.css = function( name, value ) {
+ // Setting 'undefined' is a no-op
+ if ( arguments.length === 2 && value === undefined ) {
+ return this;
+ }
+
return jQuery.access( this, name, value, true, function( elem, name, value ) {
return value !== undefined ?
jQuery.style( elem, name, value ) :