Edit in JSFiddle

JavaScript
HTML
CSS
Result

angular.module('exampleApp', [])
  .controller('FooController', ['$scope', function($scope) {
    $scope.click = function(clickEvent) {
      clickEvent.preventDefault();
      alert('HAHAHA');
    };
    $scope.clickAndJump = function() {
      alert('HAHAHA');
    };
  }]);

<body ng-app="exampleApp">
    <div ng-controller="FooController">
        <p><a href="http://jsfiddle.net" ng-click="click($event)">Don't jump JSFIDDLE</a></p>
        <p><a href="http://jsfiddle.net" ng-click="clickAndJump()">Jump JSFIDDLE</a></p>
    </div>
</body>