JavaScript ma'lumotlar tuzilmalarini JSON formatiga o‘tkazish

JSON.stringify usuli yordamida JavaScript massivlari va ob'ektlarini JSON formatiga o‘tkazish mumkin. Keling, bir misolni ko'rib chiqaylik.

Bizda quyidagi ma'lumotlar massivi bor deb faraz qilaylik:

javascriptlet arr = [1, 2, 3, 4, 5, 'a', 'b'];

Keling, massivimizni satrga aylantiramiz:

javascriptlet json = JSON.stringify(arr);

Задание 1

Quyidagi massiv berilgan:

javascriptlet json = ['user1', 'user2', 'user3', 'user4', 'user5'];

Ushbu massivni JSON formatiga o‘tkazing.

Задание 2

Quyidagi HTML berilgan:

html<ul>
  <li>city1</li>
  <li>city2</li>
  <li>city3</li>
  <li>city4</li>
</ul>

Shaharlar ro'yxatini JSON formatida oling.

Задание 3

Quyidagi HTML berilgan:

html<table>
  <tr>
    <th>Familiya</th>
    <th>Ism</th>
    <th>Otasining ismi</th>
  </tr>
  <tr>
    <td>Ivanov</td>
    <td>Ivan</td>
    <td>Ivanovich</td>
  </tr>
  <tr>
    <td>Petrov</td>
    <td>Petr</td>
    <td>Petrovich</td>
  </tr>
  <tr>
    <td>Sidorov</td>
    <td>Sidor</td>
    <td>Sidorovich</td>
  </tr>
</table>

Ko'rsatilgan ma'lumotlarni JSON formatida surname, name, patronymic kalitlariga ega ob'ekt shaklida oling.