Make sure the currentStyle property exists before attempting to access it.

This commit is contained in:
jeresig 2010-09-27 10:38:13 -04:00
parent 88fc523c59
commit 6dd2dc4270

View file

@ -174,7 +174,7 @@ if ( !jQuery.support.opacity ) {
jQuery.cssHooks.opacity = {
get: function( elem, computed ) {
// IE uses filters for opacity
return ropacity.test((computed ? elem.currentStyle.filter : elem.style.filter) || "") ?
return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
(parseFloat(RegExp.$1) / 100) + "" :
"1";
},
@ -191,7 +191,7 @@ if ( !jQuery.support.opacity ) {
"" :
"alpha(opacity=" + value * 100 + ")";
var filter = style.filter || elem.currentStyle.filter || "";
var filter = style.filter || elem.currentStyle && elem.currentStyle.filter || "";
style.filter = ralpha.test(filter) ?
filter.replace(ralpha, opacity) :
@ -219,7 +219,7 @@ if ( getComputedStyle ) {
} else if ( document.documentElement.currentStyle ) {
curCSS = function( elem, name ) {
var left, rsLeft, ret = elem.currentStyle[ name ], style = elem.style;
var left, rsLeft, ret = elem.currentStyle && 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