javascript - Add paging to instagram API using AngularJS -

i want show instgram image based on user account , tags , merge 2 api results show them one.

i not sure how add paging functionality this. simple scroll based loading work also.

div(ng-app="app")   div(ng-controller='instagramctrl')     p total number of photos: {{photos.length}}        ul         li(ng-repeat='photo in photos | orderby:"-created_time"' )           a(href='{{photo.link}}')             img(src='{{ photo.images.low_resolution.url }}') 

code-pen sample http://codepen.io/anon/pen/jpbwne

i question in context instagram api. example seems advance me not scripting guy design background. appreciate solve issue.