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Referensi JSON JavaScript


JSON ( Java S cript O objek N otation )

JSON adalah format untuk menyimpan dan mengangkut data.

JSON adalah teks, dan teks dapat dipindahkan ke mana saja, dan dibaca oleh bahasa pemrograman apa pun.

Objek JavaScript dapat diubah menjadi JSON, dan JSON dapat diubah kembali menjadi Objek JavaScript.

Dengan cara ini kita dapat bekerja dengan data sebagai objek JavaScript, tanpa penguraian atau terjemahan yang rumit.

Contoh

Mengirim JSON:

// a JavaScript object...:
var myObj = { "name":"John", "age":31, "city":"New York" };

// ...converted into JSON:
var myJSON = JSON.stringify(myObj);

// send JSON:
window.location = "demo_json.php?x=" + myJSON;

Untuk tutorial tentang JSON, baca Tutorial JSON kami .


Metode JSON

Method Description
parse() Parses a JSON string and returns a JavaScript object
stringify() Convert a JavaScript object to a JSON string

Tipe Data yang Valid

Di JSON, nilai harus berupa salah satu dari tipe data berikut:

  • Sebuah benang
  • sebuah angka
  • sebuah objek (berisi nilai JSON yang valid)
  • sebuah array
  • sebuah boolean
  • batal

Nilai JSON tidak boleh salah satu dari tipe data berikut:

  • sebuah fungsi
  • kencan
  • tidak terdefinisi

Lebih Banyak Contoh

Contoh

Menerima JSON:

// myJSON is text received in JSON format.
// Convert JSON into a JavaScript object:
var myObj = JSON.parse(myJSON);
document.getElementById("demo").innerHTML = myObj.name;

Contoh

Menyimpan data sebagai JSON, menggunakan penyimpanan lokal

// Storing data:
myObj = { "name":"John", "age":31, "city":"New York" };
myJSON = JSON.stringify(myObj);
localStorage.setItem("testJSON", myJSON);

// Retrieving data:
text = localStorage.getItem("testJSON");
obj = JSON.parse(text);
document.getElementById("demo").innerHTML = obj.name;

Pelajari lebih lanjut tentang JSON di tutorial JSON kami .