For AI agents: a documentation index is available at /llms.txt. Markdown versions of all pages
are available by appending .md to any URL.
Interface ProgressEvent<T>
The ProgressEvent interface represents events that measure the progress of an underlying process, like an HTTP request (e.g., an XMLHttpRequest, or the loading of the underlying resource of an ,
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ProgressEventinterface represents events that measure the progress of an underlying process, like an HTTP request (e.g., an XMLHttpRequest, or the loading of the underlying resource of an