<body ng-app='MainApp'>
    <div ng-controller='MainCtrl'>
      <div>
        <div ng-class='red'>Red</div>
        <div ng-class='classArray'>Array Class</div>
        <div ng-class='object'>Object</div>
      </div>
    </div>
</body>
.red{
  color:red;
}
.blue{
  color:blue;
}
.underline{
  text-decoration: underline;
}
.green{
  color: green;
}
.uppercase {
  text-transform:uppercase;
}
var mainMod = angular.module('MainApp', []);
mainMod.controller('MainCtrl', ['$scope',
    function ($scope) {
      $scope.red = 'red';
      $scope.classArray = ['blue','underline'];
      $scope.object = {
          green : true,
          uppercase: false
      };
    }
]);

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://code.angularjs.org/1.3.8/angular.min.js