diff --git a/app/javascript/application.js b/app/javascript/application.js
--- a/app/javascript/application.js
+++ b/app/javascript/application.js
@@ -3,6 +3,7 @@
 //import "controllers"
 //
 
+//import "my_sprocket"
 import "pdfmake"
 import "pdfmake-vfs"
 import "jszip"
@@ -19,7 +20,7 @@
 import "datatables"
 import "datatables-bs5"
 import "datatables-editor"
-//import "datatables-editor-bs5"
+import "datatables-editor-bs5"
 import "datatables-autofill"
 import "datatables-autofill-bs5"
 import "datatables-button"
@@ -46,5 +47,15 @@
 import "datatables-staterestore-bs5"
 /* */
 
+import "select2"
+
+//import "ace-rails-ap"
+//import "ace/theme-merbivore"
+//import "ace/mode-python"
+
+//my own customization
+import 'custom'
+
+
 console.log('application.js ready')