Revision 77b90fd2-43a0-46b2-9013-b8f18ac6898c - Stack Overflow

To access the id property of the nested myObj you can try this:
<!-- begin snippet: js hide: false console: true babel: false -->

<!-- language: lang-js -->

 var myObj={Chatting : {a :{ 'id' : 'a'}}};
 alert(myObj.Chatting.a.id)

<!-- end snippet -->