JSON + jQuery $.post + Django --> parsererror - SyntaxError: invalid label

Question

For some reason I'm getting "SyntaxError: invalid label" error when I receive JSON data (see below) from a django function. Any ideas?

{ "id": "325", "from_date": "09-19-2011", "to_date": "09-20-2011" }

This is the jQuery code I'm using:

$(".edit_rec").click(function () {
    var rec_id = $(this).attr('name');
    $.post("/edit/", {
        editid: rec_id
    }, function (json) {
        var content = $.parseJSON(json);
        var to = new String(content.to_date);
        var from = new String(content.from_date);
    });
});

What's the reason for using new String? And is this the complete response? — Felix Kling
– Felix Kling, Commented Sep 19, 2011 at 13:45
When I click on the link (edit_rec) I first get a window saying "parsererror" then "SyntaxError: invalid label" and then "{ "id": "325", "from_date": "09-19-2011", "to_date": "09-20-2011" }". "String" I'm not sure if is necessary since the values come already as strings. — avatar
– avatar, Commented Sep 19, 2011 at 13:56
Removed the "new String" from my code. Same error "SyntaxError: invalid label" — avatar
– avatar, Commented Sep 19, 2011 at 14:01

user400654 · Accepted Answer · 2011-09-19 14:25:53Z

2

you need to add "json" after the callback to let jquery know that the return data should be json. jQuery will then automatically parse your json string into a JavaScript object.

$(".edit_rec").click(function () {
    var rec_id = $(this).attr('name');
    $.post("/edit/", {
        editid: rec_id
    }, function (content) {
        var to = new String(content.to_date);
        var from = new String(content.from_date);
    },"json");
});

edited Sep 19, 2011 at 14:25

answered Sep 19, 2011 at 14:03

user400654

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1 Comment

avatar Over a year ago

Great answer! It's worth asking for directions once in a while. It's said that we man don't like to do that :-)

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