javascript - Pull a random number of items out of an Angular JS data source? -


i've searched , can find things related random item, want (for example) 7 random items larger group of items.

so right have code gets me first 7 items in data, want pull 6 random items instead.

<ul class="block-grid-4">     <li ng-repeat="icon in icons | limitto:7"><i class="fa fa-fw fa-{{icon.id}}"></i> fa-{{icon.id}}</li>   </ul>

how can 7 (or arbitrary number) items?

my service 

.factory('faiconfactory', ['$http',     function($http) {          return {             geticons: function() {                 var icons = $http.get('scripts/data/fa_icons.js').then(function(response) {                     return response.data.icons;                 });                  return icons;             }         };     } ]);


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