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<div ng-app="example">
  <div ng-controller="ctrl">
    <h3>{{state}}</h3>
    <p>
      <a ng-click="decrease()" keyboard-shortcut="shift+down" 
         keyboard-title="Decrease the value" keyboard-prevent-default>&#8595;</a>
      <a ng-click="increase()" keyboard-shortcut="up"
         keyboard-title="Increase the value" keyboard-prevent-default>&#8593;</a>
    </p>
  </div>
  <h4>Keyboard shortcuts</h4>
  <keyboard-help></keyboard-help>
</div>
angular.module('example', ['angular-keyboard']).controller('ctrl', function ($scope) {
  $scope.state = 0;
  $scope.increase = function () { $scope.state += 1; };
  $scope.decrease = function () { $scope.state -= 1; };
});