JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="" ng-controller="Ctrl">
  <ul ng-repeat="item in items">
      <li ng-show="$index % 3 == 0">{{item}}</li>
  </ul>
</div>

JavaScript

function Ctrl($scope) {
    $scope.items = [];
    for (var i = 0; i < 15; ++i) {
        $scope.items.push('item ' + i);
    }
}