hGrid Toolbar Features sample export to excel not working

[IMinchev64]

Description

In the Feature section in the Toolbar topic for the hGrid in angular, the export to excel functionality is not working

Steps to reproduce

1. Navigate to this sample
2. Expand the export dropdown
3. Select the export to excel option
4. Check the console

Result

No exporting and the following error:

Expected result

The grid should be exported as an excel spreadsheet file.

Attachments

Attach a sample if available, and screenshots, if applicable.