1 files changed, 17 insertions, 0 deletions
diff --git a/testdata/wasmfunc.go b/testdata/wasmfunc.go
new file mode 100644
index 000000000..9d0d690e4
--- /dev/null
+++ b/testdata/wasmfunc.go
@@ -0,0 +1,17 @@
+package main
+
+import "syscall/js"
+
+func main() {
+	js.Global().Call("setCallback", js.FuncOf(func(this js.Value, args []js.Value) any {
+		println("inside callback! parameters:")
+		sum := 0
+		for _, value := range args {
+			n := value.Int()
+			println("  parameter:", n)
+			sum += n
+		}
+		return sum
+	}))
+	js.Global().Call("callCallback")
+}