javascript - Reverse scroll direction with AngularJS -

i'm building ionic / angular app , i'm in situation reverse scroll direction on scroll input. when scroll down example area scroll move down. i'm trying accomplish when scroll down content moves , when scroll content moves down.

so possible reverse scroll direction?

this code:

 <!-- home page -->  <script type="text/ng-template" id=“home.html">     <ion-view ng-controller=“homecontroller" title=“home page">         <ion-content>             <ion-list>                 <ion-item ng-repeat="message in messages track $index">                     {{message}}                 </ion-item>             <ion-list>         </ion-content>     </ion-view>   </script> 

yes, possible. @ jsfiddle.

html:

<div ng-app="scrollapp">     <scrollbox> <!-- directive -->         content scrolled     </scrollbox> </div> 

javascript:

var app = angular.module('scrollapp', []);  app.directive('scrollbox', function($window) {      angular.element($window).bind('mousewheel', function(event) {                  event.preventdefault(); // cancel default scroll          var currentposition = $window.pageyoffset;         var delta = event.wheeldelta;                                  window.scrollto(0, currentposition + delta);     });       return {}; });