Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
  <div ng-repeat="version in versions">
     <button>
       {{version}}
     </button>
  </div>
  <button ng-show="versions.length > 0">
    back to home
  </button>
</div>

JavaScript

var myApp = angular.module('myApp',[]);

function MyCtrl($scope) {
    $scope.versions = ['1','2'];
}