How do I get javascript intellisense inside a object

See more:

Javascript

Visual-Studio

, +

I am trying to get javascript intellisense in visual studio at this point:-

var obj = Backbone.Model.extend({
------------here i want to get javascript intellisense----
});

if i do something like:-

var obj = Backbone.Model.extend({
myFunction:function(){
-----------here i am getting javascript intellisense -----
}
});

how do i achive it in above scenario. Please Help. Thnaks in advance.