parse json using a function code example
Example 1: json parse returns object
var str = '[{"UserName":"xxx","Rolename":"yyy"}]';
var parsed = JSON.parse(str);
var user = parsed[0];
console.log(user.UserName);
console.log(user.Rolename);
Example 2: what does json.parse do
The JSON.parse() method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.