Association Sample in extjs 4.2: -

can 1 please point me working example of association (with hasmany , belongsto) in extjs. please don't point me sencha docs or examples related sencha because had tried none of them works...

running sample (turn on browser console):

http://jsfiddle.net/4tsdu/52/

ext.define('my.model.author', {     extend:'ext.data.model',     fields:[         'name'     ] });  ext.define('my.model.comment', {     extend:'ext.data.model',     fields:[         'emailaddress',         'body'     ] });  ext.define('my.model.blogpost', {     extend:'ext.data.model',     fields:[         'title',         'body'     ],       belongsto:[         {             name:'author',             instancename:'author',             model:'my.model.author',             gettername:'getauthor',             settername:'setauthor',             associationkey:'author'         }     ],      hasmany:[         {             name:'comments',             model:'my.model.comment',             associationkey:'comments'         }     ],      proxy:{         type:'ajax',         url:'https://dl.dropboxusercontent.com/u/1015920/ext/blog-posts.json',         reader:{             type:'json',             root:'data'         }     } });  my.model.blogpost.load(1, {      success:function(record, operation){          console.log(record.get('title')); // "some title"          console.log(record.getauthor().get('name')); // "neil"          console.log(record.comments().getcount()); // 2      } }); 

read more here:

http://extjs-tutorials.blogspot.ca/2012/05/extjs-belongsto-association-rules.html

http://extjs-tutorials.blogspot.ca/2012/05/extjs-hasmany-relationships-rules.html

the sample data used:

{     "data": [         {             "id": 1,             "title": "some title",             "body": "some body",             "author": {"id":1, "name": "neil"},             "comments": [                 {                     "id":55,                     "emailaddress": "user@example.com",                     "body": "test comment"                 },                 {                     "id":66,                     "emailaddress": "user2@example.com",                     "body": "another comment"                 }             ]         }     ] }