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Core: Fix :focusable and :tabbable with jQuery git

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jQuery now returns `null` for empty attributes instead of `undefined`

Ref gh-1516

(cherry picked from commit 12643739a9)
This commit is contained in:
Scott González 2015-03-23 18:10:17 -04:00
parent 413a9c99f8
commit 6fd43da409
1 changed files with 6 additions and 6 deletions
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12
ui/core.js
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@ -117,7 +117,7 @@ $.fn.extend({
});
// selectors
function focusable( element, isTabIndexNotNaN ) {
function focusable( element, hasTabindex ) {
var map, mapName, img,
nodeName = element.nodeName.toLowerCase();
if ( "area" === nodeName ) {
@ -132,8 +132,8 @@ function focusable( element, isTabIndexNotNaN ) {
return ( /^(input|select|textarea|button|object)$/.test( nodeName ) ?
!element.disabled :
"a" === nodeName ?
element.href || isTabIndexNotNaN :
isTabIndexNotNaN) &&
element.href || hasTabindex :
hasTabindex ) &&
// the element and all of its ancestors must be visible
visible( element );
}
@ -158,13 +158,13 @@ $.extend( $.expr[ ":" ], {
},
focusable: function( element ) {
return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
return focusable( element, $.attr( element, "tabindex" ) != null );
},
tabbable: function( element ) {
var tabIndex = $.attr( element, "tabindex" ),
isTabIndexNaN = isNaN( tabIndex );
return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
hasTabindex = tabIndex != null;
return ( !hasTabindex || tabIndex >= 0 ) && focusable( element, hasTabindex );
}
});