Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.0rc10.js"></script>
<div ng-controller="MyCtrl">
  <select ng-options="classif.label for classif in classifications.functions">
      <option>Select it</option>    
  </select>
    {{ classifications.functions | json }}
</div>

JavaScript

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

function MyCtrl($scope) {
    $scope.classifications = {
        'functions' : [{
            id:0,
            label:'toto',
            childs: [
            {id:1,label: 'coucou'},
            {id:2,label: 'hello'}
            ]
        },{
            id:3,   
            label:'hihi'
            childs: [
                {id:4,label: 'voilĂ '}
            ]
        }]
    }
}