[Bug 25343] Expose an isClosed property on Blob Objects

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25343

--- Comment #2 from Arun <arun@mozilla.com> ---
Use Case: 

If a Blob is closed, a read will fail, and affiliated operations (such as
generating Blob URLs) will fail within their prescribed error functionality
(e.g. with a network error). This property will give an indication to the
caller of a read operation or a URL generation operation whether or not the
Blob has been closed by other script blocks.

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Received on Thursday, 24 April 2014 18:05:49 UTC