function GetListItems() { function getJsonDataAsync(url) { return $.ajax({ url: url, method: "GET", contentType: "application/json", headers: { accept: "application/json;odata=verbose" } }); } var ListData1 = _spPageContextInfo.webServerRelativeUrl + "/_api/lists/GetByTitle('listname1')" var ListData2 = _spPageContextInfo.webServerRelativeUrl + "/_api/lists/GetByTitle('listname2')" var response1= getJsonDataAsync(ListData1); var response2= getJsonDataAsync(ListData2); jQuery.when(response1, response2).done(function(resp1, resp2) { //do ur code here }); }