Core: Fix :focusable and :tabbable with jQuery git

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

Ref gh-1516
This commit is contained in:
Scott González 2015-03-23 18:10:17 -04:00
parent 76c27556f4
commit 12643739a9

View File

@ -123,7 +123,7 @@ $.fn.extend( {
} );
// selectors
function focusable( element, isTabIndexNotNaN ) {
function focusable( element, hasTabindex ) {
var map, mapName, img,
nodeName = element.nodeName.toLowerCase();
if ( "area" === nodeName ) {
@ -138,8 +138,8 @@ function focusable( element, isTabIndexNotNaN ) {
return ( /^(input|select|textarea|button|object)$/.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 );
}
@ -164,13 +164,13 @@ $.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 );
}
} );