Uncaught TypeError: $(...).once is not a function

This code fix the chart display.

+  (function($, Drupal, drupalSettings, once) {
  Drupal.behaviors.testimonials = {
    attach: function(context, settings) {
+       $(once('testimonials', context)).each(function(element)	  {

................

}
}
+ }(jQuery, Drupal, drupalSettings, once));

I can not be able to reproduce the issue . can you share more information.

If you don't experience this Drupal 10 issue 🐛 Use Drupal's RouteObjectInterface Fixes Drupal 10 compatibility Needs review in expense tracker then you will not have this reported issue.

This bug is only active after fixing the above issue.

I tried #2 issue still persists.

Hi @FlutterStack, fixed issue of once function and raised PR for that. Please review and verify.