diff --git a/src/lib.rs b/src/lib.rs
index dd94665..4204135 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,12 +126,12 @@ impl Strategy {
     }
 }
 
-// #[wasm_bindgen]
-// extern "C" {
-//     fn alert(s: &str);
-// }
-//
-// #[wasm_bindgen]
-// pub fn greet() {
-//     alert("Hello, visual-strategy!");
-// }
+#[wasm_bindgen]
+extern "C" {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn greet() {
+    alert("Hello, visual-strategy!");
+}