JAVASCRIPT

Convert JSON String to JavaScript Object

<script>
  // Convert JSON String to JavaScript Object
  var JSONString = '[{"name":"Jonathan Suh","gender":"male"},{"name":"William Philbin","gender":"male"},{"name":"Allison McKinnery","gender":"female"}]';

  var JSONObject = JSON.parse(JSONString);
  console.log(JSONObject);      // Dump all data of the Object in the console
  alert(JSONObject[0]["name"]); // Access Object data
</script>

Javascript object to JSON string

var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person); 

js string to json

var obj = JSON.parse("{no:'u',my:'sql'}");//returnes {no:'u',my:'sql'}

string to json js

JSON.parse('{"name":"John", "age":30, "city":"New York"}')

string into json javascript

JSON.stringify(obj);

Javascript object convert into JSON

const person = {
    name: 'labib',
    age: 22,
    job: 'web-developer',
    frieds: ['ahsik', 'abir', 'alvi', 'hanafi'],
    childList: {
        firstChild: 'Salman',
        secondChild: 'Rafi',
        thirdChild: 'Anfi'
    }
}
const convertJson = JSON.stringify(person)
console.log(convertJson)
//Expected output:
/*
{"name":"labib","age":22,"job":"web-developer","frieds":["ahsik","abir","alvi","hanafi"],"childList":{"firstChild":"Salman","secondChild":"Rafi","thirdChild":"Anfi"}}
 */