AngularJS Example:

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div ng-app>
  <h2></h2>
  <div ng-controller="TodoCtrl">
   
      <strong >Check the option values, not selected becuase value becomes 0, 1 2 3 ...</strong>
    <form ng-submit="addTodo()">
        <select ng-model="class.code"
   data-ng-form="field"
   data-ng-required="false"
   ng-options="item.code as item.name for item in classes"
   class="form-control " />
      
    </form>
  </div>
</div>

CSS

.done-true {
  text-decoration: line-through;
  color: grey;
}

strong, form{
    padding:10px; font-size130%;
    font-weight:bold;
}

JavaScript

function TodoCtrl($scope) {
  $scope.classes = [ { "code": "BU ", "name": "BU " },  
  { "code": "EQ ", "name": "EQ " }, 
  { "code": "IO ", "name": "IO " }, 
  { "code": "LA ", "name": "LA " }, 
  { "code": "VH ", "name": "VH " } ] ;

  $scope.class = function() {
       code = 'EQ'
  };
}