Accessing values inside single array of JSON objects

Question

I have wasted two days on this and I can't take it anymore. I am getting well formed JSON data from my $.ajax call. Sample below...

"results":[
"{"a":"data","b":"data","c":"data","d":"data"}",
"{"a":"data","b":"data","c":"data","d":"data"}",
"{"a":"data","b":"data","c":"data","d":"data"}",
"{"a":"data","b":"data","c":"data","d":"data"}"
]

I have attempted to access the values in this single array of JSON objects and just can't figure it out. Here's my code below...

success:function (data) {

/*
$.each(data.results, function(i, val) {
console.log(i, val);
});
*/

$('a.previewUrl').each(function (i) {
    var res = jQuery.parseJSON(data.results[0]);
    var previewUrl = $(this);
if(previewUrl.attr("href") == '') {
    previewUrl.attr("href", res[i].d);
}

});

} // end success

The console.log iteration over each JSON object in the array prints out fine but I think I have tried a dozen different ways to grab these values in the $.each() loop. What I am missing?

That doesn't look like well-formed JSON? What's with all the extra quotes? — James M
– James M, Commented Jun 6, 2012 at 18:05
Hmmm... Shouldn't data.results[0] be data.results[i], and res[i] to res? Since you are iterating over an array of strings? Also, your json strings looks a bit odd, your quotes aren't escaped. And, why do you have json strings, inside of a json string? — user400654
– user400654, Commented Jun 6, 2012 at 18:05
OMG. Kevin B is right. Two days of looking at this code and I didn't even notice they were JSON strings inside of another JSON string. Thank you, Kevin B. — Marci
– Marci, Commented Jun 6, 2012 at 18:17

jchn · Accepted Answer · 2012-10-05 23:54:55Z

2

Your Json isn't valid. Try putting it through jsonlint and see what happens.

I think this could be what you were aiming for:

{
"results": [
    {
        "a": "data",
        "b": "data",
        "c": "data"
    },
    {
        "a": "data",
        "b": "data",
        "c": "data"
    },
    {
        "a": "data",
        "b": "data",
        "c": "data"
    },
    {
        "a": "data",
        "b": "data",
        "c": "data"
    }
]}

and if you're using jQuery's $.getJSON function, you don't need to parse your data or if you're using the $.ajax function, set the datatype to json so it wil parse the data for you.

answered Oct 5, 2012 at 23:54

jchn

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