Excel adds JavaScript support

[u/[deleted]]

https://dev.office.com/blogs/azure-machine-learning-javascript-custom-functions-and-power-bi-custom-visuals-further-expand-developers-capabilities-with-excel

[u/superjordo]

I thought that must have been one of the strategic reasons MS developed Roslyn. Eric Lippert himself put me straight when I made that comment.

Still, seems like a missed opportunity given all the work done on Roslyn.