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Cover image for :Goarch! WASM
Malik Benkirane
Malik Benkirane

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:Goarch! WASM

#webassembly #go #web #javascript

cover image source: egghead.io

The tools

Getting started

import “syscall/js”
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$ GOARCH=wasm GOOS=js go build ...
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Setting values

js.Global()
js.Global().Set(“varname”, js.ValueOf(x))
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Console logging

println()
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Expose **callbacks**

Js.Global().Set(“ftname”, js.NewCallback(f))
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Interoperability

func f(i []js.Value) {
  // f(a), i[0]=a
  // f(a,b), i[0]=a, i[1]=b
  // ...
}
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Illustrations

to be continued

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