javascript - How to sort dropdown in angularjs? -

i have try order dropdown using angularjs. but, sorting not working. please me. please check link: jsfiddle

html: html code here

<select ng-options="key value (key, value) in charitylist | orderby:'value'" ng-model="reportsearch.charityid">      <option value="">all charity</option> </select> 

json array: json "key=>value" array using dropdown list

 $scope.charitylist = {      "1": "softweb charity",      "2": "charity 1",      "3": "charity update",      "4": "engagement1 name",      "6": "united way enagagement",      "7": "indian noble charity"  } 

please check link: jsfiddle

what have object not array. , array defined chevrons.

charitylist = [       {"name": "softweb charity"},       {"name": "charity 1"},      {"name": "charity update"},      {"name": "engagement1 name"},      {"name": "united way enagagement"},      {"name": "indian noble charity"} ], 

if can make way can sort orderby

ng-options="value.name value in charitylist | orderby:'name'"