ngEnter - Watch for enter keypress

gistfile1.js

var ngEnterDirectives = angular.module('ngEnterDirectives', []);
/*
This directive allows us to pass a function in on an enter key to do what we want.
*/
ngEnterDirectives.directive('ngEnter', function () {
  return function (scope, element, attrs) {
    element.bind("keydown keypress", function (event) {
      if(event.which === 13) {
        scope.$apply(function (){
          scope.$eval(attrs.ngEnter);
        });
        event.preventDefault();
      }
    });
  };
});