jquery core: SHOULD fix #2802. Caching document.defaultView, instead of defaultView...

diff --git a/src/core.js b/src/core.js
index fedd292..511180a 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -596,11 +596,10 @@ jQuery.extend = jQuery.fn.extend = function() {
 };
 
 var expando = "jQuery" + now(), uuid = 0, windowData = {},
-
-// exclude the following css properties to add px
+       // exclude the following css properties to add px
        exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
-// cache getComputedStyle
-       getComputedStyle = document.defaultView && document.defaultView.getComputedStyle;
+       // cache defaultView
+       defaultView = document.defaultView || {};
 
 jQuery.extend({
        noConflict: function( deep ) {
@@ -830,8 +829,8 @@ jQuery.extend({
                        if ( !jQuery.browser.safari )
                                return false;
 
-                       // getComputedStyle is cached
-                       var ret = getComputedStyle( elem, null );
+                       // defaultView is cached
+                       var ret = defaultView.getComputedStyle( elem, null );
                        return !ret || ret.getPropertyValue("color") == "";
                }
 
@@ -857,7 +856,7 @@ jQuery.extend({
                if ( !force && style && style[ name ] )
                        ret = style[ name ];
 
-               else if ( getComputedStyle ) {
+               else if ( defaultView.getComputedStyle ) {
 
                        // Only "float" is needed here
                        if ( name.match( /float/i ) )
@@ -865,7 +864,7 @@ jQuery.extend({
 
                        name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
 
-                       var computedStyle = getComputedStyle( elem, null );
+                       var computedStyle = defaultView.getComputedStyle( elem, null );
 
                        if ( computedStyle && !color( elem ) )
                                ret = computedStyle.getPropertyValue( name );