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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 17d8df8eec
commit 5a1db91bf3
2 changed files with 5 additions and 3 deletions
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1
AUTHORS.txt
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@ -209,4 +209,5 @@ John Paul <john@johnkpaul.com>
S. Andrew Sheppard <andrew@wq.io> S. Andrew Sheppard <andrew@wq.io>
Roman Reiß <me@silverwind.io> Roman Reiß <me@silverwind.io>
Benjy Cui <benjytrys@gmail.com> Benjy Cui <benjytrys@gmail.com>
Rodrigo Rosenfeld Rosas <rr.rosas@gmail.com>

7
src/css/defaultDisplay.js
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@ -13,14 +13,15 @@ var iframe,
*/ */
// Called only from within defaultDisplay // Called only from within defaultDisplay
function actualDisplay( name, doc ) { 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 // 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, // 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 // 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, // We don't have any data stored on the element,
// so use "detach" method as fast way to get rid of the element // so use "detach" method as fast way to get rid of the element