js\funcs.go:10:17: undefined: js.Callback

[gshields]

go version go1.12beta2 windows/amd64
Google Chrome Version 72.0.3626.81 (Official Build) (64-bit)

missing javascript

[Denys Smirnov]

Go 1.12 is not released yet. Use the tip branch instead.

[Bruno Franca dos Reis]

Any chance you could merge tip now, @dennwc ? :)