What are the differences between XHR and Fetch API?
The main differences are that Fetch is promise-based, while XHR uses callbacks. Fetch also has a simpler syntax.
Are there any compatibility issues with Fetch API?
Fetch is widely supported in modern browsers, but older browsers like Internet Explorer do not support it.
Can I use Fetch API for file uploads?
Yes, you can use Fetch API for file uploads by using FormData to construct your request.
Is XHR still relevant today?
Yes, XHR is still relevant for legacy applications, but Fetch is generally preferred for new projects.
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