Calling Rest API Via Java script-- Not Working

@param

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Calling Rest API Via Java script-- Not Working

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Hello All,

I am trying to execute a rest api via java script. Its not working .

Please see below part of the code and if possible advise where I am wrong.

Thanks

 

 

define(['vb/helpers/rest'], function (Rest) {

  'use strict';

 

  var PageModule = function PageModule() { };

 

  /**

   *

   * @param{String} arg1

   * @return{String}

   */

  PageModule.prototype.getResult = function (arg1) {

    var returnValue = 200;

    var endpoint = Rest.get('http://129.155.254.171:8080/ords/hrms_payroll/admin_page/getRole';);

    var resultCallback = endpoint.fetch();

    resultCallback.then(function (payload) {

      if (payload.response.status === 200) {

        if (payload.body.count > 0) {

          return returnValue;

        } 

      }

    });

 

    return 'err';

 

  };

 

  return PageModule;

});