Index: src/wp-includes/class-wp-admin-bar.php
===================================================================
--- src/wp-includes/class-wp-admin-bar.php	(revision 50501)
+++ src/wp-includes/class-wp-admin-bar.php	(working copy)
@@ -431,8 +431,8 @@
 	final protected function _render( $root ) {
 		// Add browser classes.
 		// We have to do this here since admin bar shows on the front end.
-		$class = 'nojq nojs';
-		if ( wp_is_mobile() ) {
+		$class = 'nojs';
+		if ( is_user_logged_in() && wp_is_mobile() ) {
 			$class .= ' mobile';
 		}