Re: [w3c/webcomponents] Shadow tree encapsulation and CSS (#804)

Hmmm I thought worklets had a `postMessage` in them but I must be confusing them with other types of workers. Given this I don't think a worklet can communicate a message out to tell the main thread that it's methods were invoked (other than timing-based messages) which could reveal some shadow trees.

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Received on Tuesday, 16 April 2019 03:29:54 UTC