How to get data of more than one SharePoint list using REST API?

 Get data of more than one SharePoint list using REST API:

By using below snippet code we can able to get data of two SharePoint list at time.

 var getDataModule = (function () {

      var baseRequest = {

          url: "",

          type: ""

      };

      var getApp = {

      };

      var getApp = {

          receivedRequest: receivedRequest,

      };

      function receivedRequest(endpoint, _async) {

          //var dfd = $.Deferred();

          var request = baseRequest;

          request.type = "GET";

          request.async = false;

          request.url = endpoint;

          request.headers = {

              'ACCEPT': "application/json;odata=verbose",

          };

          return $.ajax(request);

      };

      return getApp;

  })();

    var defer1 = $.Deferred();

    var defer2 = $.Deferred();

    var dfdList1Files;

    var dfdList2Files;

    var list1URL = _spPageContextInfo.webAbsoluteUrl + "/_api/web/Lists/GetByTitle('Employees')/Items?$select=*,VVR_x0020_Email_x0020_People/Title&$expand=VVR_x0020_Email_x0020_People&$top=5000";

    var list2URL = _spPageContextInfo.webAbsoluteUrl + "/_api/Web/lists/getbytitle('Salary Structure')/items?$top=5000";

    dfdList1Files = getDataModule.receivedRequest(list1URL, true);

    dfdList2Files = getDataModule.receivedRequest(list2URL, true);

    dfdList1Files.success(function (data) {

        defer1.resolve(data);

    });

    dfdList2Files.success(function (ldata) {

        defer2.resolve(ldata);

    });

    $.when(defer1, defer2).then(function (list1Data, list2Data) {

        console.log('success');

        console.log(list1Data);

        console.log(list2Data)

    });

Output: