Answers for "JSON.parse retuns?"

what deos json.parse reutnr

Parse the data with JSON.parse(), and the data becomes a JavaScript object.
When using the JSON.parse() on a JSON derived from an array, the method will return a JavaScript array, instead of a JavaScript object.

json parse string

var jsonPerson = '{"first_name":"billy", "age":23}';
var personObject = JSON.parse(jsonPerson); //parse json string into JS object