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The following conversion fails saying bad control character 

var myObj = JSON.parse('{"imagePath": "http://somedomain.com/test.jpg?path=\728\1.jpg"}');
console.log(myObj);

is that because of the following characters "\" in the image path , if so do we have any solution for this?

If i remove that character it works.

Thanks.

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    I'm not entirely sure how this makes sense, but if you escape it with \\\ it works. JSON.parse('{"imagePath": "http://somedomain.com/test.jpg?path=\\\\728\\\\1.jpg"}') why wouldn't just 1 be enough? Commented Mar 6, 2013 at 18:44
  • I am getting data that file , when i convert string to object it fails Commented Mar 6, 2013 at 18:45
  • No i understand what you are doing, i don't understand why changing it to path=\\728\\1.jpg isn't working for me. Commented Mar 6, 2013 at 18:46
  • stackoverflow.com/questions/3807537/… Commented Mar 6, 2013 at 18:47
  • I am also getting the same error after escaping also Commented Mar 6, 2013 at 18:48

2 Answers 2

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You need to escape the \ character whereever you are generating the JSON.

If it is a literal, then you have to escape the escapes also:

j = JSON.parse('{"imagePath": "http://somedomain.com/test.jpg?path=\\\\728\\\\1.jpg"}');
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5 Comments

Honestly the best solution, if you have influence over whatever is consuming this imagePath, is to use forward slashes in your paths and avoid this head-ache.
I will let the service team know
how can i replace single "\" with four
If you are typing the string literal in "by hand" in your code, you need to type in 4 `. That's what I meant by *If it is a literal*. If you are getting the string as data, perhaps from an input field, then you should not be calling JSON.parse` on it. It all just works. If you are receiving the string from the server in a JSON packet, then the server should be using a JSON serializer that serializes the string correctly.
Here's a jsFiddle showing you only need to do the escapes when you are actually typing the string into your JavaScript code: jsfiddle.net/bman654/5dv7s
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\ is an escape character. So if you want to use \ in your image Path string, then you need to double escape it. i.e. use \\

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