Core: Match on exact node name for `:focusable` and `:tabbable`

Fixes #10747
Ref gh-1417

diff --git a/ui/core.js b/ui/core.js
index 28e9841dd8ac6c436e7dcb1b642b4d1620272f0f..224d12b15641bbe6aa4224eb451c07707d429765 100644 (file)
--- a/ui/core.js
+++ b/ui/core.js
@@ -103,7 +103,7 @@ function focusable( element, isTabIndexNotNaN ) {
                img = $( "img[usemap='#" + mapName + "']" )[ 0 ];
                return !!img && visible( img );
        }
-       return ( /input|select|textarea|button|object/.test( nodeName ) ?
+       return ( /^(input|select|textarea|button|object)$/.test( nodeName ) ?
                !element.disabled :
                "a" === nodeName ?
                        element.href || isTabIndexNotNaN :