Ticket #24767: 24767.diff

wp-content/themes/twentythirteen/js/functions.js

@@ -49 +49 @@
                 button.on( 'click.twentythirteen', function() {
                         nav.toggleClass( 'toggled-on' );
                 } );
+                
+                // Fix sub-menus for touch devices.
+                if ( 'ontouchstart' in window ) {
+                        menu.find( '.menu-item-has-children > a' ).on( 'touchstart.twentythirteen', function( e ) {
+                                var el = $( this ).parent( 'li' );
+                
+                                if ( ! el.hasClass( 'sub-menu-open' ) ) {
+                                        e.preventDefault();
+                                        el.toggleClass( 'sub-menu-open' );
+                                }
+                        } );
+                }
 
                 // Better focus for hidden submenu items for accessibility.
                 menu.find( 'a' ).on( 'focus.twentythirteen blur.twentythirteen', function() {

wp-content/themes/twentythirteen/style.css

@@ -924 +924 @@
 ul.nav-menu li:hover > ul,
 .nav-menu ul li:hover > ul,
 ul.nav-menu .focus > ul,
-.nav-menu .focus > ul {
+.nav-menu .focus > ul,
+.nav-menu .sub-menu-open > ul {
         clip: inherit;
         overflow: inherit;
         height: inherit;