Hey everyone! I’m trying to understand the differences between Fetch API and XMLHttpRequest. I know they’re both used for making AJAX requests, but I’m curious about what makes Fetch API special.
I’ve heard that Fetch API works with Promises, which is cool. But I’m wondering if there are any other features that set it apart from good old XMLHttpRequest.
Can anyone tell me what unique things Fetch API can do that XMLHttpRequest can’t? I’m especially interested in capabilities that aren’t available in XMLHttpRequest or even in Fetch API polyfills (since they’re based on XHR).
Thanks for any insights you can share! It’ll really help me decide which one to use in my projects.
fetch api is dope for modern stuff! it’s got streams and caching which xhr doesn’t. plus, it’s way easier to use with promises. but if u need old browser support, xhr is still ur buddy. i’d say go with fetch unless u really need xhr for some reason.
As someone who’s worked with both, I can tell you Fetch API is a game-changer. Its Promise-based structure makes handling asynchronous operations much cleaner. One standout feature is stream support - you can process large datasets in chunks, which is incredibly efficient for big data transfers. Another unique aspect is its integration with the Cache API, allowing for better offline support and performance optimization. These features aren’t available in XMLHttpRequest or its polyfills. That said, XMLHttpRequest still has its place, especially if you need to support older browsers. It also allows for synchronous requests, though that’s generally frowned upon these days. Ultimately, if you’re working on modern web apps, Fetch API is the way to go. It’s more intuitive, powerful, and aligns better with current JavaScript practices.
I’ve been using both Fetch API and XMLHttpRequest in my projects, and I gotta say, Fetch API has been a breath of fresh air. The Promise-based syntax alone makes it so much easier to work with, especially when you’re dealing with complex asynchronous operations.
One thing that really stands out for me is Fetch’s built-in support for streaming. I was working on a project that involved handling large data sets, and being able to process the data in chunks as it came in was a game-changer. It made the app feel so much more responsive.
Another feature I’ve found incredibly useful is the integration with the Cache API. It’s made implementing offline functionality in my web apps a lot more straightforward. I remember struggling with this using XMLHttpRequest, but Fetch just makes it feel natural.
That being said, I still keep XMLHttpRequest in my toolbox for those times when I need to support older browsers. It’s like an old, reliable friend - not as flashy, but gets the job done when you need it.
In the end, if you’re working on modern web apps, I’d definitely recommend giving Fetch API a shot. The learning curve is pretty gentle, especially if you’re already comfortable with Promises, and the benefits are well worth it.