Indicator of the current state of the request:
| Value | State | Meaning |
| 0 | unsent |
open() has not yet been called |
| 1 | opened |
send() has not yet been called |
| 2 | headers received |
sent() has been called; response headers and status are available |
| 3 | loading |
responseText holds some data |
| 4 | done | request is complete |
final int readyState
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-html/HttpRequest/readyState.html