How to get json value in js code?

Question

I have a json code and i want get json value units_num in alert jQuery. How can don it?

My json code:

[{"id":"11","name":"hiih","units_num":00}]

I tried as in js code: http://jsfiddle.net/Wj8ZL/

var obj = $.parseJSON('[{"id":"11","name":"hiih","units_num":00}]');
alert(obj['units_num']); // This don't work

var t = JSON.parse('[{"id":"11","name":"hiih","units_num":00}]');
alert(t['units_num']) // This don't work

Travis J · Accepted Answer · 2014-05-22 17:04:56Z

5

Your json contains an array of objects, even if there is only one in there. So you need to access that first object in the array

var obj = $.parseJSON('[{"id":"11","name":"hiih","units_num":"00"}]');
alert(obj[0]['units_num']);

answered May 22, 2014 at 17:04

Travis J

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1 Comment

Debanshu Kundu Over a year ago

@Taylor, To add to this answer: var obj = [{"id":"11","name":"hiih","units_num": 0}]; alert(obj[0]['units_num']); is also valid. You only need to use $.parseJSON or JSON.parse, if you are getting your JSON in the form of a string.

njzk2 · Accepted Answer · 2014-05-22 17:06:55Z

1

@TravisJ gave a big part of the issue, the other one being quite easy to spot if you read the error log:

"units_num":00

is not valid. It should read

"units_num":0

answered May 22, 2014 at 17:06

njzk2

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