Converting a string to JSON object
Solution 1:
var obj = JSON.parse(string);
Where string is your json string.
Solution 2:
You can use the JSON.parse() for that.
See docs at MDN
Example:
var myObj = JSON.parse('{"p": 5}');
console.log(myObj);
Solution 3:
var obj = jQuery.parseJSON('{"name":"John"}');
alert( obj.name === "John" );
link:-
http://api.jquery.com/jQuery.parseJSON/