Re: [whatwg/dom] Proposal: DOM APIs in web workers? (Issue #1217)

> What are the advantages of this proposal, vs being able to create an iframe that runs in a different thread?

Ability to create an iframe is gated on CSP; `frame-src 'none'` will prevent that from working. `worker-src` similarly gates workers, of course, but it's a lot more justifiable (and also objectively less dangerous) to relax your `worker-src` to do off-thread computation than to relax your `frame-src`.

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