diff --git a/core/modules/node/content_types.js b/core/modules/node/content_types.js
index eed93f0..89465b4 100644
--- a/core/modules/node/content_types.js
+++ b/core/modules/node/content_types.js
@@ -17,46 +17,56 @@
    */
   Drupal.behaviors.contentTypes = {
     attach: function (context) {
-      var $context = $(context);
       // Provide the vertical tab summaries.
-      $context.find('#edit-submission').drupalSetSummary(function (context) {
-        var vals = [];
-        vals.push(Drupal.checkPlain($(context).find('#edit-title-label').val()) || Drupal.t('Requires a title'));
-        return vals.join(', ');
-      });
-      $context.find('#edit-workflow').drupalSetSummary(function (context) {
-        var vals = [];
-        $(context).find('input[name^="options"]:checked').parent().each(function () {
-          vals.push(Drupal.checkPlain($(this).text()));
+      var tabs = {
+        '#edit-submission': getSummaryEditSubmission,
+        '#edit-workflow': getSummaryEditWorkflow,
+        '#edit-language': getSummaryEditLanguage,
+        '#edit-display': getSummaryEditDisplay
+      };
+      $.each(tabs, function (id, getSummary) {
+        $(id, context).drupalSetSummary(function (context) {
+          return getSummary(context).join(', ');
         });
-        if (!$(context).find('#edit-options-status').is(':checked')) {
-          vals.unshift(Drupal.t('Not published'));
-        }
-        return vals.join(', ');
       });
-      $('#edit-language', context).drupalSetSummary(function (context) {
-        var vals = [];
+    }
+  };
 
-        vals.push($('.js-form-item-language-configuration-langcode select option:selected', context).text());
+  function getSummaryEditSubmission(context) {
+    var vals = [];
+    vals.push(Drupal.checkPlain($('#edit-title-label', context).val()) || Drupal.t('Requires a title'));
+    return vals;
+  }
 
-        $('input:checked', context).next('label').each(function () {
-          vals.push(Drupal.checkPlain($(this).text()));
-        });
+  function getSummaryEditWorkflow(context) {
+    var vals = [];
+    $('input[name^="options"]:checked', context).next('label').each(function () {
+      vals.push(Drupal.checkPlain($(this).text()));
+    });
+    if (!$('#edit-options-status', context).is(':checked')) {
+      vals.unshift(Drupal.t('Not published'));
+    }
+    return vals;
+  }
 
-        return vals.join(', ');
-      });
-      $context.find('#edit-display').drupalSetSummary(function (context) {
-        var vals = [];
-        var $editContext = $(context);
-        $editContext.find('input:checked').next('label').each(function () {
-          vals.push(Drupal.checkPlain($(this).text()));
-        });
-        if (!$editContext.find('#edit-display-submitted').is(':checked')) {
-          vals.unshift(Drupal.t("Don't display post information"));
-        }
-        return vals.join(', ');
-      });
+  function getSummaryEditLanguage(context) {
+    var vals = [];
+    vals.push($('.js-form-item-language-configuration-langcode select option:selected', context).text());
+    $('input:checked', context).next('label').each(function () {
+      vals.push(Drupal.checkPlain($(this).text()));
+    });
+    return vals;
+  }
+
+  function getSummaryEditDisplay(context) {
+    var vals = [];
+    $('input:checked', context).next('label').each(function () {
+      vals.push(Drupal.checkPlain($(this).text()));
+    });
+    if (!$('#edit-display-submitted', context).is(':checked')) {
+      vals.unshift(Drupal.t("Don't display post information"));
     }
-  };
+    return vals;
+  }
 
 })(jQuery, Drupal);