stof

index.html

<!--Export-->
    <script type="application/dart">
        import 'dart:html';
        import 'package:polymer/polymer.dart';
        export 'package:polymer/init.dart';

        @whenPolymerReady
        void onReady() {
            var coreScrollHeader = querySelector('#scroll-panel');

            coreScrollHeader.on['core-header-transform'].listen((event) {
                print('core-header-transform');
            });
        }
    </script>