web - Show google drive files using google drive api for javascript -

i'm trying view files , folders uploaded on google drive. there written in google drive documentation can create appfolder , can upload/view files of folder here code list files within application data folder.

function listfilesinapplicationdatafolder(callback) {   var retrievepageoffiles = function(request, result) {     request.execute(function(resp) {       result = result.concat(resp.items);       var nextpagetoken = resp.nextpagetoken;       if (nextpagetoken) {         request = gapi.client.drive.files.list({           'pagetoken': nextpagetoken         });         retrievepageoffiles(request, result);       } else {         callback(result);       }     });   }   var initialrequest = gapi.client.drive.files.list({     'q': '\'appfolder\' in parents'   });   retrievepageoffiles(initialrequest, []); } 

question : can list files of folders of our google drive? appreciated.