JSON.stringify(str) returns [] code example
Example 1: JSON.stringify pretty
var str = JSON.stringify(obj, null, 2); // spacing level = 2
Example 2: Javascript object to JSON string
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);
Example 3: 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
}"