how to convert a string to an object in Javascript? -

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this question has answer here:

i know how convert string below object in javascript:

var string = '{"id":"50","actor":"1","subject":"1","object":"18","message":"a ajout\u00e9","status":"unseen"}'

in fact, after converting string above object, able access element of object. example, if convert string object called "obj" able access value of element "id" (which "50") in such way: obj.id

thanks in advance.

this string in json.

use 

var obj = json.parse(string);

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