diff --git a/src/effects.js b/src/effects.js
index e7987d21..bdd0715e 100644
--- a/src/effects.js
+++ b/src/effects.js
@@ -548,35 +548,24 @@ if ( jQuery.expr && jQuery.expr.filters ) {
}
function defaultDisplay( nodeName ) {
- var iframe, iframeDoc, iframeNode, display;
if ( !elemdisplay[ nodeName ] ) {
- iframe = defaultDisplay.iframe.clone()[ 0 ];
+ var iframe, iframeDoc, iframeNode, display, elem;
- iframe.style.display = "none";
+ iframe = defaultDisplay.iframe.clone()[ 0 ];
document.body.appendChild( iframe );
- iframeDoc = iframe.contentWindow && iframe.contentWindow ||
- iframe.contentDocument.document && iframe.contentDocument.document ||
- iframe.contentDocument;
+ iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
- iframeNode = jQuery( "<" + nodeName + ">" ).appendTo( jQuery( "body", iframeDoc.document ) );
+ iframeDoc.open();
+ iframeDoc.write("");
+ elem = iframeDoc.createElement( nodeName );
+ iframeDoc.body.appendChild( elem );
+ iframeDoc.close();
- if ( !iframeNode.length ) {
- // this will only occur in IE
- iframeDoc.document.open();
- iframeDoc.document.write("");
- elem = iframeDoc.document.createElement( nodeName );
- iframeDoc.document.body.appendChild( elem );
- iframeDoc.document.close();
-
- iframeNode = jQuery( elem );
- }
-
- // firefox returns undefined from css("display")
- display = iframeNode.css("display") || iframeNode[ 0 ].style.display;
+ display = jQuery( elem ).css( "display" );
if ( display === "none" || display === "" ) {
display = "block";
@@ -591,6 +580,12 @@ function defaultDisplay( nodeName ) {
return elemdisplay[ nodeName ];
}
-defaultDisplay.iframe = jQuery("");
+defaultDisplay.iframe = jQuery("", {
+ css: {
+ width: 0,
+ height: 0,
+ border: 0
+ }
+});
})( jQuery );