How to parse The following JSON in Javascript?

Question

I am making a web app for nokia S40 platform . I am calling a web service using Javascript that returns the Following JSON

{ "status_code": 200, "status_txt": "OK", "data": { "expand": [ { "short_url": "http:\/\/bit.ly\/msapps", "long_url": "http:\/\/www.microsoft.com\/web\/gallery\/?wt.mc_id=soc-in-wag-msp-M389", "user_hash": "gbL9jV", "global_hash": "eHgpGh" } ] } }

I want to obtain the "short_url" and "long_url " values

I am using eval as var obj = eval ("(" + xmlhttp.responseText + ")");

where xmlhttp.responseText conatains the JSON response. Please help

Vinod Louis · Accepted Answer · 2013-08-24 09:46:41Z

9

tried this and worked

 var s = '{ "status_code": 200, "status_txt": "OK", "data": { "expand": [ { "short_url": "http://bit.ly/msapps", "long_url": "http://www.microsoft.com/web/gallery/?wt.mc_id=soc-in-wag-msp-M389", "user_hash": "gbL9jV", "global_hash": "eHgpGh" } ] } } '

 var d = JSON.parse(s);
 console.log(d.data.expand[0].short_url);
 console.log(d.data.expand[0].long_url);

edited Aug 24, 2013 at 9:46

answered Aug 24, 2013 at 9:19

Vinod Louis

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Hersh · Accepted Answer · 2013-08-24 09:28:06Z

1

This expression

JSON.parse('{ "status_code": 200, "status_txt": "OK", "data": { "expand": [ { "short_url": "http:\/\/bit.ly\/msapps", "long_url": "http:\/\/www.microsoft.com\/web\/gallery\/?wt.mc_id=soc-in-wag-msp-M389", "user_hash": "gbL9jV", "global_hash": "eHgpGh" } ] } }').data.expand[0].short_url

returns "http://bit.ly/msapps"

answered Aug 24, 2013 at 9:28

Hersh

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Comments

Exception · Accepted Answer · 2013-08-24 09:25:21Z

-3

How about this

var json = "{}" // Your JSON string
json = new Function('return ' + json)();
console.log(json.data.expand[0].short_url, json.data.expand[0].long_url);

answered Aug 24, 2013 at 9:25

Exception

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1 Comment

David Knipe Over a year ago

This is a very bad habit to get into, because in some circumstances it can compromise security. For example, suppose you have javascript code in your server reading JSON from the client. If you do it this way, the client can send any javascript string, and it will run on the server.

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