টেক স্ট্যাক
বাংলায় শিখুন

// সহজ API কল retry wrapper
async function fetchWithRetry(url, options = {}, retries = 3) {
  for (let i = 0; i < retries; i++) {
    try {
      const response = await fetch(url, options);
      if (!response.ok) throw new Error(`HTTP ${response.status}`);
      return await response.json();
    } catch (err) {
      if (i === retries - 1) throw err;
      await new Promise(r => setTimeout(r, 1000 * (i + 1)));
    }
  }
}