[whatwg] Questions on error handling in web workers
ian at hixie.ch
Wed Jul 15 17:17:22 PDT 2009
On Wed, 15 Jul 2009, Jian Li wrote:
> I have a couple questions regarding error handling in HTML 5 workers. In
> the spec, it says "Whenever a runtime script error occurs in one of the
> worker's scripts, if the error did not occur while handling a previous
> script error, the user agent must report the error using the
> WorkerGlobalScope object's onerror attribute.". Does it mean that
> onerror attribute of WorkerContext would be called? In addition to the
> errors being thrown?
The term "report the error" is defined here:
> The spec also says "For dedicated workers, if the error is still not
> handled afterwards, or if the error occurred while handling a previous
> script error, the user agent must queue a task to fire a worker error
> event at the Worker object associated with the worker.". What does it
> mean by "the error is still not handled afterwards"? Does it mean that
> the onerror attribute is not set for WorkerContext?
The term "not handled" is defined here:
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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