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API & HTTP Requests

Fetch data dari API menggunakan fetch atau axios, handle loading/error states.

Topik Pembelajaran

  • Fetch API basics
  • Axios library
  • GET, POST, PUT, DELETE requests
  • Error handling
  • Loading states
  • Response interceptors
  • API best practices

Referensi & Sumber Daya

API & HTTP Requests

Fetch API

Native JavaScript API untuk HTTP requests.

jsx
fetch('https://api.example.com/data') .then(response => response.json()) .then(data => console.log(data)) .catch(error => console.error(error));

Axios Library

Promise-based HTTP client dengan features lebih.

jsx
import axios from 'axios'; axios.get('/api/data') .then(response => console.log(response.data)) .catch(error => console.error(error));

HTTP Methods

  • GET: Fetch data
  • POST: Create data
  • PUT/PATCH: Update data
  • DELETE: Remove data

Error Handling

Handle network errors, timeouts, dan error responses.

jsx
try { const response = await axios.get('/api/data'); } catch (error) { if (error.response) { // Server responded with error status console.error(error.response.status); } else if (error.request) { // Request made but no response console.error('No response'); } }

Loading States

Manage UI state saat loading, error, dan success.

Request/Response Interceptors

Global handling untuk requests dan responses.