Angular - On Enter Keypress Directive

directive.onenter.js

app.directive('xs-enter', function () {
  return function (scope, element, attrs) {
    element.bind("keydown keypress", function (event) {
      event.preventDefault();
        if(event.which === 13) {
          scope.$apply(function (){
            scope.$eval(attrs.xsEnter);
        });
      }
    });
  };
});

onenter.html

<input type="text" data-xs-enter="yourEvent()">