AngularJS - ng-repeat to assign/generate a new unique ID

Question

Im using a simple ng-repeat to generate a list of countries. Within each list is a hidden row/div that can be expanded and collapsed.

The issue that i a

Answer 1

{{$index+1}} will show 1-5 for every page of pagination in order to change serial no as per page no of pagination, use {{$index+curPage*5+1}}, where curPage is your current page in pagination.