Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
        <!-- Menu 1 -->
        <div class="select-box left">
            <div class="select-box-field" ng-click="dropdown = !dropdown;" click-outside="dropdown">
                <span>Menu 1</span>
            </div>
            <div class="select-box-field-dropdown" ng-class="{ 'is-active':dropdown }">
                <span>Dropdown menu Item 1</span>
                <span>Dropdown menu Item 2</span>
            </div>
        </div>
        
        <!-- Menu 2 -->
        <div class="select-box right">
            <div class="select-box-field" ng-click="menu2 = !menu2;">
                <span>Menu 2</span>
            </div>
            <div class="select-box-field-dropdown" ng-class="{ 'is-active':menu2 }">
                <span>Dropdown menu Item 1</span>
                <span>Dropdown menu Item 2</span>
            </div>
        </div>
                
  </div>

CSS

.select-box {
  position: relative; 
  font-family: Helvetica, Arial, sans-serif;
}
.left { 
    float: left;
}
.right {
    float:right;
}
.select-box-field {
  width: 200px;
  height: 20px;
  line-height: 20px;
  background: #f6f6f6;
  font-size: 16px;
  padding: .5rem;
  border: 1px solid rgba(44, 62, 80, 0.25);
  cursor: pointer; 
}
.select-box-field:hover {
  background: #f0f0f0; 
}
.select-box-field-dropdown {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  background: white;
  box-shadow: 0 2px 4px rgba(44, 62, 80, 0.25);
  padding: 1rem;
  z-index: 10; 
}
.select-box-field-dropdown.is-active {
  display: block;
}

JavaScript

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

function MyCtrl() {
}

myApp.directive('clickOutside', function() {
    return function(scope, elem) {
        var x = document.getElementsByTagName("BODY")[0];
        x.addEventListener('click', function() {
            dropdown = false;
            scope.$apply();            
        });
        elem.addEventListener('click', function(e) {
            e.stopPropagation();
        });
    }
});