k = {w:1,q:{t:[false,null,""]}}; a = JSON.stringify(k); y = JSON.parse(a); code example

Example: json.stringify parameters

var person={"first_name":"Tony","last_name":"Hawk","age":31};
console.log(JSON.stringify(person , null , 4)); 
//Output:
> "{
    "first_name": "Tony",
    "last_name": "Hawk",
    "age": 31
}"