How to get object from data returned from Ajax call in jQuery?

Question

I have this ajax code:

$.ajax({
    type: "POST",
    url: "inc/ajax.php",
    data: $('#form-responder').serialize(),
    success: function (data) {
        console.log(data); // prints: {"sucesso":"true", "mensagem":"Correta: A pulseira de identificação se aplica a todos os pacientes, sem exceção. ", "index_proxima":"2"}
        //var sucesso = eval(data.sucesso);
        var mensagem = data.mensagem;
        alert(mensagem); // shows: undefined
    }
});

I need to get some object values but all of them are returning 'undefined', what is wrong with that? I used to do data.something and always worked before, maybe something with this jQuery version 2.1.3 ?

You need to specify dataType: 'json' in your ajax call if you 're returning json data. — kidA
– kidA, Commented Mar 4, 2015 at 19:37
Try add async: false or check link: stackoverflow.com/questions/14220321/… — Miloslav21
– Miloslav21, Commented Mar 4, 2015 at 19:44

Romain Derie · Accepted Answer · 2015-03-04 19:40:01Z

1

You need to use parseJson()

JsFiddle

data = jQuery.parseJSON( data);
alert(data.mensagem);

answered Mar 4, 2015 at 19:40

Romain Derie

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1 Comment

Rory McCrossan Over a year ago

jQuery will automatically do this for you.

Tomanow · Accepted Answer · 2015-03-04 19:44:03Z

1

"mensagem" is string key, you should use it with array key format like so: data['mensagem'].

var data = {"sucesso":"true", "mensagem":"Correta: A pulseira de identificação se aplica a todos os pacientes, sem exceção. ", "index_proxima":"2"};

$('input').val(data['mensagem']);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<input />

answered Mar 4, 2015 at 19:44

Tomanow

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