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Fixes #8099 using iframe to capture an element's real default display; suggested by lrbabe/louisremi

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rwldrn 2011-04-12 17:27:45 -04:00
parent 885b64d4e6
commit 81de96af74
1 changed files with 16 additions and 21 deletions
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37
src/effects.js vendored
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@ -548,35 +548,24 @@ if ( jQuery.expr && jQuery.expr.filters ) {
} }
function defaultDisplay( nodeName ) { function defaultDisplay( nodeName ) {
var iframe, iframeDoc, iframeNode, display;
if ( !elemdisplay[ nodeName ] ) { 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 ); document.body.appendChild( iframe );
iframeDoc = iframe.contentWindow && iframe.contentWindow || iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
iframe.contentDocument.document && iframe.contentDocument.document ||
iframe.contentDocument;
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 ) { display = jQuery( elem ).css( "display" );
// 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;
if ( display === "none" || display === "" ) { if ( display === "none" || display === "" ) {
display = "block"; display = "block";
@ -591,6 +580,12 @@ function defaultDisplay( nodeName ) {
return elemdisplay[ nodeName ]; return elemdisplay[ nodeName ];
} }
defaultDisplay.iframe = jQuery("<iframe/>"); defaultDisplay.iframe = jQuery("<iframe/>", {
css: {
width: 0,
height: 0,
border: 0
}
});
})( jQuery ); })( jQuery );