1 files changed, 3 insertions, 5 deletions
diff --git a/core/misc/details-summarized-content.es6.js b/core/misc/details-summarized-content.es6.js
index 2ed9f9ae6c4c..30b67af8b445 100644
--- a/core/misc/details-summarized-content.es6.js
+++ b/core/misc/details-summarized-content.es6.js
@@ -72,13 +72,11 @@
    */
   Drupal.behaviors.detailsSummary = {
     attach(context) {
-      const $detailsElements = $(context).find('details').once('details');
-
       DetailsSummarizedContent.instances =
         DetailsSummarizedContent.instances.concat(
-          $detailsElements
-            .map((index, details) => new DetailsSummarizedContent(details))
-            .get(),
+          once('details', 'details', context).map(
+            (details) => new DetailsSummarizedContent(details),
+          ),
         );
     },
   };