abort method
void
abort()
@AvailableInWorkers("window_and_worker_except_service")
The XMLHttpRequest.abort()
method aborts the request if
it has already been sent. When a request is aborted, its
XMLHttpRequest.readyState is changed to
XMLHttpRequest.UNSENT
(0) and the request's
XMLHttpRequest.status code is set to 0.
Implementation
external void abort();