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

Fixes #10747
Ref gh-1417
(cherry picked from commit c66842b45e032ac09f73fcd767e78390d7191b6f)

diff --git a/ui/core.js b/ui/core.js
index ee01d5988da3c1e3df771c717332be4ea16bb380..0b2e039509c3b91fd88ed1f7ad771178b22438b0 100644 (file)
--- a/ui/core.js
+++ b/ui/core.js
@@ -97,7 +97,7 @@ 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 :