ng-options on object

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

app.controller('MainCtrl', function($scope) {
  $scope.name = 'World';
  
  $scope.banks = {
    'Swedbank': 1,
    'Nordea': 2
  };
  
  $scope.theBank = 1

});

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.2.x" src="http://code.angularjs.org/1.2.2/angular.js" data-semver="1.2.2"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
    <select ng-model="theBank" ng-options="key for (key , value) in banks"></select>
    
    {{theBank}}
  </body>

</html>

/* Put your css in here */