Files
tinygo/src/examples/wasm/callback/wasm.go
T
2019-05-27 13:35:59 +02:00

28 lines
545 B
Go

package main
import (
"strconv"
"syscall/js"
)
var a, b int
func main() {
document := js.Global().Get("document")
document.Call("getElementById", "a").Set("oninput", updater(&a))
document.Call("getElementById", "b").Set("oninput", updater(&b))
update()
}
func updater(n *int) js.Func {
return js.FuncOf(func(this js.Value, args []js.Value) interface{} {
*n, _ = strconv.Atoi(this.Get("value").String())
update()
return nil
})
}
func update() {
js.Global().Get("document").Call("getElementById", "result").Set("value", a+b)
}