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Core: Fix :focusable
and :tabbable
with jQuery git
jQuery now returns `null` for empty attributes instead of `undefined` Ref gh-1516
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12
ui/core.js
12
ui/core.js
@ -123,7 +123,7 @@ $.fn.extend( {
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} );
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// selectors
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function focusable( element, isTabIndexNotNaN ) {
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function focusable( element, hasTabindex ) {
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var map, mapName, img,
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nodeName = element.nodeName.toLowerCase();
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if ( "area" === nodeName ) {
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@ -138,8 +138,8 @@ function focusable( element, isTabIndexNotNaN ) {
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return ( /^(input|select|textarea|button|object)$/.test( nodeName ) ?
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!element.disabled :
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"a" === nodeName ?
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element.href || isTabIndexNotNaN :
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isTabIndexNotNaN ) &&
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element.href || hasTabindex :
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hasTabindex ) &&
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// the element and all of its ancestors must be visible
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visible( element );
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}
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@ -164,13 +164,13 @@ $.extend( $.expr[ ":" ], {
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},
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focusable: function( element ) {
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return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
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return focusable( element, $.attr( element, "tabindex" ) != null );
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},
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tabbable: function( element ) {
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var tabIndex = $.attr( element, "tabindex" ),
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isTabIndexNaN = isNaN( tabIndex );
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return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
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hasTabindex = tabIndex != null;
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return ( !hasTabindex || tabIndex >= 0 ) && focusable( element, hasTabindex );
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}
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} );
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