javascript - Would like to hide "|" if elements are not showing in Angular JS -

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trying hide <li>|</li> when genres array have no value. use ngif/nghide this, or have code controller?

here html:

<div>     <ul class="list-inline">          <li ng-if="genre.name" ng-repeat="genre in genres"><a ng-href="/#/genre/{{genre.id}}">{{genre.name}}{{$last ? '' : ', '}}</a></li>         <li>|</li>         <li ng-if="runtime">{{runtime}}min</li>         <li>|</li>         <li>{{release_date | date}}</li>     </ul> </div>

any appreciated.

all have check have genres in array ngif directive, so: 

ng-if="genres.length"

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