javascript JSON data access

Question

Sorry for my english,

I have following JSON literal notation.

[
  {
    "ktp_app": [
      "hantong",
      "hantong4",
      "hantong2",
      "hantong3"
    ],
    "ktp_apps":[
      "kun1"
    ]
  }
]

I parsed this with eval // var tmp = eval(jsondata);

i could access first array of data which means

{"ktp_app":["hantong","hantong4","hantong2","hantong3"],"ktp_apps":["kun1"]}**

but after that, how could i access the other part of json data,. only way i could access is to use a

tmp[0]["ktp_app"] ... but i want to access without String., i want use loop so that i can access all of the data;..

thanks in advance.

Koen Peters · Accepted Answer · 2012-03-08 01:12:19Z

4

You can use the . operator. So:

json = [
  {
    "ktp_app": [
      "hantong",
      "hantong4",
      "hantong2",
      "hantong3"
    ],
    "ktp_apps":[
      "kun1"
    ]
  }
]

json[0].ktp_app[0] would give "hantong".

Alternatively you can do it like this:

json[0]["ktp_app"][0] would give "hantong"

In a loop:

for (name in json[0]) {
  var elem = json[0][name]
}

answered Mar 8, 2012 at 1:12

Koen Peters

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Comments

Robert Kajic · Accepted Answer · 2012-03-08 01:12:51Z

1

Here is a way to loop over the values in you data object:

var data = [
  {
    "ktp_app": [
      "hantong",
      "hantong4",
      "hantong2",
      "hantong3"
    ],
    "ktp_apps":[
      "kun1"
    ]
  }
];
for (key in data[0]) { 
  console.log(data[0][key]); 
}

answered Mar 8, 2012 at 1:12

Robert Kajic

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