third_party/angular/docs/examples/example-example95/script.js

  angular.module('eventExampleApp', []).
    controller('EventController', ['$scope', function($scope) {
      /*
       * expose the event object to the scope
       */
      $scope.clickMe = function(clickEvent) {
        $scope.clickEvent = simpleKeys(clickEvent);
        console.log(clickEvent);
      };

      /*
       * return a copy of an object with only non-object keys
       * we need this to avoid circular references
       */
      function simpleKeys (original) {
        return Object.keys(original).reduce(function (obj, key) {
          obj[key] = typeof original[key] === 'object' ? '{ ... }' : original[key];
          return obj;
        }, {});
      }
    }]);