How to add Up/down scroll for ngx-bootstrap typeahead?

Question

I want the same functionality as in this answer, but the problem is , the answer is using ui-bootstrap and I am using ngx-bootstrap. How to achieve such functionality in ngx-bootstrap?

up/down arrow key issue with typeahead control (angular bootstrap UI)

Answer 1

I use ngx-bootstrap '3.0.0' and it works. 5 items in the list with scrollbar, then cursor down serveral times, and the items scroll. On the demo page ( https://valor-software.com/ngx-bootstrap/#/typeahead , at Scrollable you can also verify that it works as you want.