Java script function return undefined

Content

Hello All,

My use case consists 1 function to call another function in js. But it keep returning undefined. 

I would like to know if i need to do a conversation or to get a work around. 

Please check sample code below and attached alert sreenshot

  PageModule.prototype.getResult1 = function () {

    var ep = Rest.get('role/getGetRole');

    var returnVal = 'Success';

    ep.fetch().then(function (result) {

      if (result.response.ok) {

        alert(result.body.count); //pass

        var resultResult = result.body.count;

        if (result.body.count == 4) {//pass

          return returnVal;// returnVal is undefined!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

        }

        return 'Not OK';

      }

      else {

        return null;

      }

    });

  };

 

  PageModule.prototype.getResult1Value = function (arg1)