http://stackoverflow.com/questions/32264222/why-does-angularjs-ngincludes-priority-executes-at-400

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

  <head>
    <link rel="stylesheet" href="style.css" />
    <script data-require="jquery@1.9.0" data-semver="1.9.0" src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.0/jquery.js"></script>
    <script data-require="angular.js@1.0.7" data-semver="1.0.7" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.js"></script>
    <script src="script.js"></script>
  </head>

  <body ng-controller="MyCtrl">
    <a ng-click="alert()">Click me</a>
  </body>

</html>

angular.module('app', [])
  .directive('ngClick', function($rootScope) {
      return {
        restrict: 'A',
        priority: 100,
        link: function(scope, element, attr) {
          element.bind('click', function() {
            // do something with $rootScope here
            alert('overridden');
          })
        }
      }
  })
  .controller('MyCtrl', function($scope) {
    $scope.alert = function() {
      alert('built-in!')
    }
  })

/* Styles go here */