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
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;
});