Untitled

<div ng-repeat="$field in $fields | orderBy:'name' track by $field.name " >
   <input ng-model="$item[$field.name] " />
</div>

<script>var orderByProperty = 'name'; </script>
<div ng-repeat="$field in $fields | orderBy:orderByProperty track by $field.name " >
   <input ng-model="$item[$field.name] " />
</div>

<body ng-controller="MainCtrl as ctrl" ng-init="orderByProperty = 'name'">
    <div ng-repeat="$field in $fields | orderBy:orderByProperty track by $field.name ">
        <input ng-model="$field.name" />
    </div>
</body>