Attempting to access property on JavaScript Object = Undefined

Question

I have this JavaScript object

Object {VoteTag: Object, ResortVoteTag: Array[1]}
  ResortVoteTag: Array[1]
   0: Object
   id: "1"
   resort_id: "1561"
   tag_id: "4"
   user_id: "31"
   vote: "3"
   length: 1
 VoteTag: Object
   id: "4"
   tag: "Snowboarders"
   type: "slopes"

I'm trying to access the vote property in the ResortVoteTag array however I am unable to do so.

This is the following code I'm using.

$.ajax({
                url: "/Votetags/alltags",
                async: false,
                dataType: 'json', 
            }).done(function ( data ) {
                for(var i = 0; i < data.length; i++){
                        console.log(data[i].ResortVoteTag.id);
                }
            });

Probably want data[i].ResortVoteTag[j].id (where j is another loop iterator). Your description of the object includes two Array definitions. (though i have to say that way of describing an object is confusing...) — Brad Christie
– Brad Christie, Commented Aug 24, 2013 at 20:45
Your browser has a fully-featured debugger built into it. Set a breakpoint on the first line of your done function and look at the data you're receiving. — T.J. Crowder
– T.J. Crowder, Commented Aug 24, 2013 at 20:46
T.J. is right, or you just console.log(data) and look at it in console. — carter
– carter, Commented Aug 24, 2013 at 20:47

loganfsmyth · Accepted Answer · 2013-08-24 20:44:58Z

2

data is an object, based on your example data, and ResortVoteTag is the array. So you need to iterate over that specifically.

for(var i = 0; i < data.ResortVoteTag.length; i++){
    console.log(data.ResortVoteTag[i].id);
}

answered Aug 24, 2013 at 20:44

loganfsmyth

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