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Fix :visible does not work properly when display:none is set directly on an element in IE8. Fixes #4512.

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This commit is contained in:
Colin Snover 2010-10-05 13:23:10 -05:00
parent 57c046f91c
commit 0229b83f7e
3 changed files with 29 additions and 8 deletions
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9
src/css.js
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@ -280,14 +280,9 @@ function getWH( elem, name, extra ) {
if ( jQuery.expr && jQuery.expr.filters ) {
jQuery.expr.filters.hidden = function( elem ) {
var width = elem.offsetWidth, height = elem.offsetHeight,
skip = elem.nodeName.toLowerCase() === "tr";
var width = elem.offsetWidth, height = elem.offsetHeight;
return width === 0 && height === 0 && !skip ?
true :
width > 0 && height > 0 && !skip ?
false :
(elem.style.display || jQuery.css( elem, "display" )) === "none";
return (width === 0 && height === 0) || (!jQuery.support.reliableHiddenOffsets && (elem.style.display || jQuery.css( elem, "display" )) === "none");
};
jQuery.expr.filters.visible = function( elem ) {

15
src/support.js
View file

@ -65,7 +65,8 @@
checkClone: false,
scriptEval: false,
noCloneEvent: true,
boxModel: null
boxModel: null,
reliableHiddenOffsets: true
};
// Make sure that the options inside disabled selects aren't marked as disabled
@ -117,6 +118,18 @@
document.body.appendChild( div );
jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
// Check if table cells still have offsetWidth/Height when they are set
// to display:none and there are still other visible table cells in a
// table row; if so, offsetWidth/Height are not reliable for use when
// determining if an element has been hidden directly using
// display:none (it is still safe to use offsets if a parent element is
// hidden; don safety goggles and see bug #4512 for more information).
// (only IE 8 fails this test)
div.innerHTML = '<table><tr><td style="display:none"></td><td>t</td></tr></table>';
jQuery.support.reliableHiddenOffsets = div.getElementsByTagName('td')[0].offsetHeight === 0;
div.innerHTML = '';
document.body.removeChild( div ).style.display = 'none';
div = null;
});