Serialize / Deserialize literal object.

serialize.js

function serialize(obj) {
    return JSON.stringify(obj, function (key, value) {
        return typeof value === 'function' ? value.toString() : value;
    })
}

function deserialize(str) {
    return JSON.parse(str, function (key, value) {
        if (value && typeof value === "string" && value.substr(0,8) == "function") {
            var body = value.substring(value.indexOf('{') + 1, value.lastIndexOf('}'))
            var args = value.substring(value.indexOf('(') + 1, value.indexOf(')'));

            return new Function(args, body);
        }
        
        return value;
    })
}

/*
  $ var person = {
    "firstname": "John",
    "lastname": "Smith",
    "toString": function() { return this.firstname + " " + this.lastname }
  };
  
  $ var sperson = serialize(person);
  > "{"firstname":"John","lastname":"Smith","toString":"function () { return this.firstname + \" \" + this.lastname }"}"
  
  $ var johnsmith = deserialize(sperson).toString()
  > "John Smith"
*/