How to access multidimensional json array inside ajax success function

Question

Details :

Have a good day programmers. My server is returning me the multidimensional json array.Now i just want to access it individually and also i am little bit confused in JSON format.

Question 1: what is the difference between these Type1 and Type2 json format?

JSON Type 1

{
    "name": "Stackoverflow",
    "exp": "4month",
    "status": 
             {
               "username": "koushik",
               "password": "mypassword"
             }
}

JSON Type 2

{
    "name": "Stackoverflow",
    "exp": "4month",
    "status": [
        {
            "username": "koushik",
            "password": "mypassword"
        }
    ]
}

I know both are valid json format but where it differ's?

Question 2: Using ajax i can handle single dimention json data

Example: It works

$.ajax({
        url:"temp.json",
        dataType:"json",
        success:function(data){     
                 alert(data.name);
        }
    });

In the same way how could i handle multidimensional json array.Example i want to get something like this alert(data=>status=>username) . I know it is very easy to do but i am struck here. Thanks in advance.

That's not multi-dimensional. It's got one dimension.

Lloyd
– Lloyd

2014-03-12 11:33:32 +00:00
Commented Mar 12, 2014 at 11:33 — Lloyd
– Lloyd, Commented Mar 12, 2014 at 11:33

nnnnnn · Accepted Answer · 2014-03-12 11:40:46Z

4

Question 1: what is the difference between these Type1 and Type2 json format?

In the first, the status property refers to an object (that in turn has two properties). In the second, the status property refers to an array, the first and only element of which is an object (that in turn has two properties).

Question 2:

For your "Type1" you can just do:

data.status.username

For your "Type2":

data.status[0].username

...or if a real-world case of "Type2" had an array with more objects in it you could loop over the items and do something with them:

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

answered Mar 12, 2014 at 11:40

nnnnnn

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Comments

Adil Shaikh · Accepted Answer · 2014-03-12 11:33:36Z

1

You need something like this -

$.each(data.status,function(i,v){
   console.log(v.username);
});

answered Mar 12, 2014 at 11:33

Adil Shaikh

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Comments

Murali Murugesan · Accepted Answer · 2014-03-12 11:38:51Z

1

if($.isArray(data.status)){
  // JSON Type 2
  $(data.status).each(function(){console.log(this.username);});

}
else
{
 //JSON Type 1
 console.log(data.status.username);
}

answered Mar 12, 2014 at 11:38

Murali Murugesan

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