Access array in array in javascript

Question

I am getting a JSON reply, like following:

[{
  "order_id": "12",
  "customer": "user user",
  "status": "Pending",
  "date_added": "02\/09\/2012",
  "total": "$500.00",
  "action": [{
    "text": "View",
    "href": "http:\/\/localhost\/oc\/admin\/index.php?route=sale\/order\/info&amp;token=92a80574e5fcbf3e2d021404cfaae1a4&amp;order_id=12"
  }]
}]

have a look on action key, it's value is again an array. I am trying to get action key values by following code but it is showing undefined to me

function (data) {
  if (data) {
    for (var i = 0; i < data.length; i++) {
      $('div.dashboard-content table.list tbody tr:first').before(
        '<tr id="' + 
        data[i]['order_id'] + 
        '"><td class="right">' + 
        data[i]['order_id'] + 
        '</td><td class="left">' + 
        data[i]['customer'] + 
        '</td><td class="left">' + 
        data[i]['status'] + 
        '</td><td class="left">' + 
        data[i]['date_added'] + 
        '</td><td class="right">' + 
        data[i]['total'] + 
        '</td><td class="right"> [<a href="' + 
        data[i]['action']['href'] + '">' + 
        data[i]['action']['text'] + 
        '</a>]</td></tr>'
      );
    }
  }
}

Can somebody help me.? Thanks in advance.

Mother of gawd, those strings are almost 1/10 as long as the ones I use in my code. I see why some people dim my code "un-reviewable". On a side-note, you can do line breaks in JS inside strings escaping them with \ at the end of the line or simply line break at the + signs which doesn't affect the output. — Fabrício Matté
– Fabrício Matté, Commented Sep 2, 2012 at 2:12
possible duplicate of I have a nested data structure / JSON, how can access a specific value? — Felix Kling
– Felix Kling, Commented Sep 2, 2012 at 2:13

João Silva · Accepted Answer · 2012-09-02 02:15:39Z

6

Like you said, action is an array. Thus, you can't access it using data[i]['action']['href']. You have to use a subscript to indicate the position of the array that you want. For example, to access the first position, you'd use:

var href = data[i].action[0].href;
var text = data[i].action[0].text;

edited Sep 2, 2012 at 2:15

answered Sep 2, 2012 at 2:10

João Silva

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Paul · Accepted Answer · 2012-09-02 02:10:52Z

3

action is an array containing an object with a property called text. Change:

data[i]['action']['text']

to:

data[i]['action'][0]['text']

answered Sep 2, 2012 at 2:10

Paul

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