Simple Custom Backbutton in angular js for Ionic

gistfile1.txt

.directive('backButton', ['$ionicHistory',function($ionicHistory){
    return {
        restrict: 'E',
        template: "<button class='button button-clear' id='customBackButton'><i class='button-icon icon ion-ios-arrow-left'></i> Back</button>",
        link: function($scope, element, attrs) {
            element.bind('click', function(){
               $ionicHistory.goBack();
            })
        }
    }    
}])