Parsing Json in Jquery returning NULL

Question

I am trying to parse a json string in Jquery but its returning me null I am using simple jQuery.parseJSON Here is what i have tried

$(document).ready(function () {
    var obj = jQuery.parseJSON(jsonStr);
    alert(obj);
});

but the alert says null Here is the fiddle with actual json http://jsfiddle.net/9kw99L2h/

that is already an object. you don't need to parse it. parseJSON takes a string. — Daniel A. White
– Daniel A. White, Commented Aug 25, 2014 at 12:00
@DanielA.White how can i use this json to extract values from it ? — AddyProg
– AddyProg, Commented Aug 25, 2014 at 12:01
using an indexer object['key'] or dot-notation object.key — Daniel A. White
– Daniel A. White, Commented Aug 25, 2014 at 12:02
Since it's an object already, you can navigate it's properties using, for example, jsonStr.hierarch.folder["@name"] (yields Root in your example) — Ortiga
– Ortiga, Commented Aug 25, 2014 at 12:04
Good to know. I've made an answer with a longer explanation. Unless someone comes with a better or more helpful one, mark it as accepted answer. — Ortiga
– Ortiga, Commented Aug 25, 2014 at 12:32

Ortiga · Accepted Answer · 2014-08-25 12:31:05Z

1

You are constructing your json as:

var json = { "hierarch": {
    'date':"2014/08/25 20:23:43",
    "folder":{
        "@name":"Root",
        "@id":"Root"}
        } 
    }
}

Since it's an object already, you can navigate it's properties using, for example:

jsonStr.hierarch.folder["@name"] // yields Root

JSON.parse, or jQuery.parseJSON is only useful when you have a string in json format:

var jsonStr = "{ key: 'value' }";
console.log(jsonStr.key); // logs undefined. Strings does not contain property named key.
var json = JSON.parse(jsonStr);
console.log(json.key); // logs value

answered Aug 25, 2014 at 12:31

Ortiga

8,8466 gold badges45 silver badges74 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Parsing Json in Jquery returning NULL

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related