Ticket #36263: 36263.diff

wp-includes/js/shortcode.js

@@ -216 +216 @@
                         this.attrs = wp.shortcode.attrs( attrs );
 
                 // Identify a correctly formatted `attrs` object.
-                } else if ( _.isEqual( _.keys( attrs ), [ 'named', 'numeric' ] ) ) {
-                        this.attrs = attrs;
+                } else if ( _.difference( _.keys( attrs ), [ 'named', 'numeric' ] ).length === 0 ) {
+                        this.attrs = _.defaults( attrs, { named : {}, numeric : [] } );
 
                 // Handle a flat object of attributes.
                 } else {