Fixed #1763 by checking to see if .createElement() is available on the context and...

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index bd6d929..ce487a1 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -917,6 +917,8 @@ jQuery.extend({
        clean: function( elems, context ) {
                var ret = [];
                context = context || document;
+               if (!context.createElement) 
+                       context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 
                jQuery.each(elems, function(i, elem){
                        if ( !elem )
@@ -1064,7 +1066,7 @@ jQuery.extend({
                                                (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
                                }
        
-                               return elem.filter ? 
+                               return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
                                        (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
                                        "";
                        }