Fetch api in javascript for ajax developers

the fetch api in javascript is a modern interface that allows developers to make network requests similar to xmlhttprequest but with a more powerful and flexible feature set. it is built on promises, enabling more straightforward handling of asynchronous operations and cleaner code with better error management. fetch simplifies the process of making http requests, supporting various methods like get, post, put, delete, and more.

one of its key advantages is its ability to handle both json and other response types easily, making it suitable for a wide range of applications. the fetch api also supports request and response manipulation, including headers and body content, as well as the ability to handle cors (cross-origin resource sharing) seamlessly.

however, it is important to note that fetch does not automatically reject the promise on http error statuses (like 404 or 500); developers need to handle these cases explicitly. overall, fetch api enhances the ajax experience with a more intuitive syntax and functionality.
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