Frontend API Integration Expert

This skill provides comprehensive expert knowledge of vanilla JavaScript for frontend API integration, with emphasis on modern async patterns, form handling, DOM manipulation, and user experience best practices.

Fetch API Patterns

Basic Fetch

// GET request
async function getData() {
  try {
    const response = await fetch('/api/data');

    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }