From aa5545c928ce0de80142966c19b64be76d88286f Mon Sep 17 00:00:00 2001
From: "M.Shibuya" <mit.shibuya@gmail.com>
Date: Mon, 20 Sep 2021 14:16:23 +0900
Subject: [PATCH] Fix 'no objects' message not showing up in
 filtering-multiselect widget

---
 .../javascripts/rails_admin/ra.filtering-multiselect.js     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/rails_admin/ra.filtering-multiselect.js b/app/assets/javascripts/rails_admin/ra.filtering-multiselect.js
index 172190df1b..eadc918c95 100644
--- a/app/assets/javascripts/rails_admin/ra.filtering-multiselect.js
+++ b/app/assets/javascripts/rails_admin/ra.filtering-multiselect.js
@@ -185,16 +185,16 @@
           }
         }
         if (filtered.length > 0) {
-          widget.collection[0].innerHTML = '';
+          widget.collection.html('');
           for (i = 0; i < filtered.length; i++) {
             var newOptions = $('<option></option>')
               .prop('value', matches[filtered[i]].id)
               .prop('title', matches[filtered[i]].label)
               .text(matches[filtered[i]].label);
-            $(widget.collection[0]).append(newOptions);
+            widget.collection.append(newOptions);
           }
         } else {
-          widget.collection[0].innerHTML = widget.noObjectsPlaceholder;
+          widget.collection.html(widget.noObjectsPlaceholder);
         }
       });
     },