Fetch

Fetch is the modern standard for making asynchronous HTTP requests in the browser, replacing the clunky XMLHttpRequest with a clean, Promise-based interface.

Fetch provides a streamlined logical syntax for fetching resources across the network. It uses the Request and Response objects to handle headers and body content with precision. Developers execute calls via the fetch() method (e.g., fetch('/api/data')), which returns a Promise that resolves into a Response object. This architecture supports modern features like streaming, CORS, and the AbortController for canceling requests. It is natively supported in all major browsers (Chrome 42+, Firefox 39+) and Node.js 18+, eliminating the need for external libraries like jQuery or Axios in many production environments.

https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API