if ( !elemdisplay[ nodeName ] ) {
- var iframe, iframeDoc, iframeNode, display, elem;
+ var elem = jQuery( "<" + nodeName + ">" ).appendTo( "body" ),
+ display = elem.css( "display" );
- iframe = defaultDisplay.iframe.clone()[ 0 ];
+ elem.remove();
- document.body.appendChild( iframe );
+ if ( display === "none" || display === "" ) {
- iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
+ var iframe = defaultDisplay.iframe,
+ iframeDoc = defaultDisplay.iframeDoc;
- iframeDoc.open();
- iframeDoc.write("<!doctype><html><body></body></html>");
- elem = iframeDoc.createElement( nodeName );
- iframeDoc.body.appendChild( elem );
- iframeDoc.close();
+ // No iframe to use yet, so create it
+ if ( !defaultDisplay.iframe ) {
- display = jQuery( elem ).css( "display" );
+ iframe = document.createElement( "iframe" );
+ iframe.width = iframe.height = 0;
- if ( display === "none" || display === "" ) {
- display = "block";
+ document.body.appendChild( iframe );
+
+ iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
+ iframeDoc.write("<!doctype><html><body></body></html>");
+
+ // Cache iframe element
+ defaultDisplay.iframe = iframe;
+ defaultDisplay.iframeDoc = iframeDoc;
+ } else {
+
+ // Reuse previous iframe
+ document.body.appendChild( iframe );
+
+ }
+
+ elem = iframeDoc.createElement( nodeName );
+
+ iframeDoc.body.appendChild( elem );
+
+ display = jQuery( elem ).css( "display" );
+
+ iframe.parentNode.removeChild( iframe );
}
// Store the correct default display
elemdisplay[ nodeName ] = display;
-
- iframe.parentNode.removeChild( iframe );
}
return elemdisplay[ nodeName ];
}
-defaultDisplay.iframe = jQuery("<iframe/>", {
- css: {
- width: 0,
- height: 0,
- border: 0
- }
-});
+defaultDisplay.iframe = null;
+defaultDisplay.iframeDoc = null;
+
+
})( jQuery );
});
test("show() resolves correct default display #8099", function() {
- expect(3);
+ expect(5);
var bug8099 = jQuery("<tt/>").appendTo("#main");
equals( bug8099.css("display"), "none", "default display override for all tt" );
equals( bug8099.show().css("display"), "inline", "Correctly resolves display:inline" );
+ equals( jQuery("#foo").hide().show().css("display"), "block", "Correctly resolves display:block after hide/show" );
+
+ equals( bug8099.hide().css("display"), "none", "default display override for all tt" );
+ equals( bug8099.show().css("display"), "inline", "Correctly resolves display:inline" );
+
bug8099.remove();
- equals( jQuery("#foo").hide().show().css("display"), "block", "Correctly resolves display:block after hide/show" );
});