diff -u b/core/misc/revealpass.js b/core/misc/revealpass.js
--- b/core/misc/revealpass.js
+++ b/core/misc/revealpass.js
@@ -39,7 +39,7 @@
     attach: function (context) {
       $(context).find('input[type=password][data-drupal-revealpass]')
         .once('revealpass')
-        .each(function revealLink(index, element) {
+        .each(function (index, element) {
           var $trigger = $('<button type="button" class="link toggle-password">' + showPass + '</button>');
 
           $trigger.on('click', {password: element}, revealClickHandle);