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Fixes #8099 using iframe to capture an element's real default display…

…; suggested by lrbabe/louisremi
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rwaldron committed Apr 12, 2011
1 parent 885b64d commit 81de96af740f8d397585d8a6fc2a3765dfd16d49
Showing with 16 additions and 21 deletions.
  1. +16 −21 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("<!doctype><html><body></body></html>");
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("<!doctype html><html><body></body></html>");
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("<iframe/>");
defaultDisplay.iframe = jQuery("<iframe/>", {
css: {
width: 0,
height: 0,
border: 0
}
});

})( jQuery );

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