On Nov 30, 2009, at 3:43 PM, Dmitry Titov wrote:

I don't think it's correct to say that SharedWorkers are not useful and "we need a SharedScript instead". They are different things and can address different use cases. For example, SharedWorker is great to make sure there is only one 'app instance' running - exactly because it is shared inter-process, it can be used as a "inter- process synchronization primitive" to control how many app instances are opened. SharedScript is a container for data and code shared between pages that comprise a "web application" and normally run in the same process. As in native apps, whether or not multiple instances of the app can run at the same time depends on the author of the app, and can be done either way.

Are there any Web apps at Google or elsewhere currently using SharedWorker? Would any of them still use it if they could switch to SharedScript? Has any app team specifically requested support for *both* SharedWorker *and* SharedScript? (Serious questions, since the justification for SharedScript is largely based on Web developer feedback.)

Note: if SharedScript was really globally shared it could be used to implement shared workers - simply have the SharedScript manage the per- app Workers.

Regards,
Maciej

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