What’s new in JavaScript and @v8js?
Check out @mathias and @_gsathya’s #io18 presentation to find out! https://www.youtube.com/watch?list=PLNYkxOF6rcIC4NQeXpdAy0RbOACI66Hvf&index=12&v=mIWCLOftfRw …pic.twitter.com/51pUdiIlzY
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Oh so the # is considered part of the name? That's unintuitive to me but it works I guess. 
No, it’s just syntax. Every time you refer to a private field, you use that syntax. # is not valid in identifiers.
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