JS client hubProxy.off( eventName) can't remove the event anymore after hubProxy.off( eventName, handler) called

[Xiaohongt]

e.g. for below sample ( it doesn't matter what hub), on client the handle on foo2 still is not removed:

myHub.on('foo2', handler);
myHub.on('foo2', handler);
myHub.on('foo2', handler);
myHub.off('foo2', handler);
myHub.off("foo2");   // the first time call here works 
myHub.on('foo2', handler);
myHub.on('foo2', handler);
myHub.on('foo2', handler);
myHub.off('foo2', handler);
myHub.off("foo2");   // not work anymore, if call it again again,still not wotk

[DamianEdwards]

This needs to be simplified down to a smaller repro so we can investigate.

[aspnet-hello]

This issue has been closed as part of issue clean-up as described in https://blogs.msdn.microsoft.com/webdev/2018/09/17/the-future-of-asp-net-signalr/. If you're still encountering this problem, please feel free to re-open and comment to let us know! We're still interested in hearing from you, the backlog just got a little big and we had to do a bulk clean up to get back on top of things. Thanks for your continued feedback!