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CSS: window.getDefaultComputedStyle may return null

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Fixes #14736
Closes gh-1501
(cherry picked from commit 51910ba8a5aff4cd1a811f1fdb76a6c62a09a666)
This commit is contained in:
Rodrigo Rosenfeld Rosas
2014-01-28 15:19:25 -02:00
committed by Dave Methvin
parent ca0086b55a
commit e547a2775f
2 changed files with 5 additions and 3 deletions
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7
src/css/defaultDisplay.js
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@@ -13,14 +13,15 @@ var iframe,
*/
// Called only from within defaultDisplay
function actualDisplay( name, doc ) {
var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
var style,
elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
// getDefaultComputedStyle might be reliably used only on attached element
display = window.getDefaultComputedStyle ?
display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
// Use of this method is a temporary fix (more like optmization) until something better comes along,
// since it was removed from specification and supported only in FF
window.getDefaultComputedStyle( elem[ 0 ] ).display : jQuery.css( elem[ 0 ], "display" );
style.display : jQuery.css( elem[ 0 ], "display" );
// We don't have any data stored on the element,
// so use "detach" method as fast way to get rid of the element