diff --git a/internal/jsutil/jsutil.go b/internal/jsutil/jsutil.go
index ac21397..d123727 100644
--- a/internal/jsutil/jsutil.go
+++ b/internal/jsutil/jsutil.go
@@ -18,6 +18,7 @@ var (
 	ErrorClass          = Global.Get("Error")
 	ReadableStreamClass = Global.Get("ReadableStream")
 	DateClass           = Global.Get("Date")
+	Crypto              = Global.Get("crypto")
 )
 
 func NewObject() js.Value {
@@ -102,3 +103,7 @@ func DateToTime(v js.Value) (time.Time, error) {
 func TimeToDate(t time.Time) js.Value {
 	return DateClass.New(t.UnixMilli())
 }
+
+func NewUUID() string {
+	return Crypto.Call("randomUUID").String()
+}