"I'm not sure what can come of performance and security running JavaScript outside of a browser" well we already know about performance. Ryan was mentioning and

"I'm not sure what can come of performance and security running JavaScript outside of a browser" well we already know about performance. Ryan was mentioning and demonstrating that JS is in a sandbox already and if modifying node to have message passing with dispatchers mirroring on native and js sides, you in effect have very tight security as you are strictly allowing only sys calls that are going through a single point and can be managed through a single point. Seems like that one is figured out with Deno.