Get single value from Json response

Question

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I have a nested data structure / JSON, how can I access a specific value?

My Json response looks like this:

[{"referenceid":"999","firstname":"Firstname","middlename":"Middlename","lastname":"Surname","shortlisted":"0"}]

How can I just retrieve the referenceid value? I've searched and searched... tried all sorts of things but I can only return a "undefined".

Thanks

edit:

Forgot my other code:-

function populateFormData() {

var mxKey = $.now();

$.get("\\web\\php\\somesite\\phpData.php?mxKey" + mxKey, function(applicationData) {

    console.log("Application Data: " + applicationData);

    var jsonData = JSON.parse(applicationData);

    console.log("Json Parse Data: " + jsonData);

});

}

I don't know if browsers correct this, but URLs use the slash (`/`) as path separator, not backslash. — Felix Kling, Jan 19 '13 at 12:23
Yea, they correct it but I've changed my code to /... thanks. — jaminben, Jan 19 '13 at 12:26

score 3 · Accepted Answer · edited May 06 '16 at 10:16

3

like this:

var a = [{
  "referenceid": "999",
  "firstname": "Firstname",
  "middlename": "Middlename",
  "lastname": "Surname",
  "shortlisted": "0"
}];

alert(a[0].referenceid);

edited May 06 '16 at 10:16

jotik

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answered Jan 19 '13 at 12:21

Viren Rajput

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This still returns a 'undefined'. var a = applicationData; console.log(a[0].referenceid); – jaminben Jan 19 '13 at 12:27
@user1399098: And how about `jsonData[0].referenceid`? – Felix Kling Jan 19 '13 at 12:29
Gah... thats got it, could have sworn I tried that. Thanks so much :) – jaminben Jan 19 '13 at 12:31

Get single value from Json response

1 Answers1