Requested JSON parse failed

Question

By some reason there's a parsing error with the ajax code below. How could I find out what it is, and/or can someone see what's wrong?

$('#listElements').sortable({
        //revert: true,
        update: function(event, ui) {

            var order = [];
            $('.listObject li').each(function (e) {
                order.push($(this).attr('id'));
            });
            $.ajax({
                type: "POST",
                url: "index.php?",
                dataType: "json",
                data: { json: order },                  error: function(jqXHR, exception) {
                    if (jqXHR.status === 0) {
                        alert('Not connect.\n Verify Network.');
                    } else if (jqXHR.status == 404) {
                        alert('Requested page not found. [404]');
                    } else if (jqXHR.status == 500) {
                        alert('Internal Server Error [500].');
                    } else if (exception === 'parsererror') {
                        alert('Requested JSON parse failed.');
                    } else if (exception === 'timeout') {
                        alert('Time out error.');
                    } else if (exception === 'abort') {
                        alert('Ajax request aborted.');
                    } else {
                        alert('Uncaught Error.\n' + jqXHR.responseText);
                    }
                }
            });
        }

parseing error in this js code, or in the resulting json text on the server? — Marc B
– Marc B, Commented Oct 23, 2012 at 14:59
Don't tell us what the exact problem is. It would take away all the fun of guessing! Everybody knows engineers love guessing. — Pekka
– Pekka, Commented Oct 23, 2012 at 15:00
ok, so the JSON from index.php is wrong. That means the code you posted has nothing to do with the problem. Can you post the JSON response or index.php? What browser do you use? — PiTheNumber
– PiTheNumber, Commented Oct 23, 2012 at 15:14

sataniccrow · Accepted Answer · 2012-10-23 15:08:12Z

1

data: { json: order } ... it's not well formatted...

answered Oct 23, 2012 at 15:08

sataniccrow

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2 Comments

sataniccrow Over a year ago

I think this could be helpful: stackoverflow.com/questions/6085649/ajax-multiple-data

IndustProg Over a year ago

a little more explanation!

PiTheNumber · Accepted Answer · 2012-10-24 15:26:39Z

1

There is no parsing error in this JavaScript code.

Please post the response of "index.php" and the error message you got.

Have a look at the response data. Open index.php in the browser, press F12 and insert this into the console:

       $.ajax({
            type: "POST",
            url: "index.php",
            //dataType: "json",
            data: { json: order },
            success: function(data) {
               console.log(data);
            }
        });

edited Oct 24, 2012 at 15:26

answered Oct 23, 2012 at 15:01

PiTheNumber

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2 Comments

Sabarish Over a year ago

What is the order here near data : {json : order}

PiTheNumber Over a year ago

@Sabarish That is from the question var order = [];

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