diff --git a/helwasm/Cargo.toml b/helwasm/Cargo.toml
index ac69c18..67b19fd 100644
--- a/helwasm/Cargo.toml
+++ b/helwasm/Cargo.toml
@@ -14,3 +14,7 @@ crate-type = ["cdylib"]
 [dependencies]
 hel = { version = "0.1.0", path = "../hel" }
 wasm-bindgen = "0.2.83"
+
+[dependencies.web-sys]
+version = "0.3.4"
+features = [ 'Document' ]
diff --git a/helwasm/index.html b/helwasm/index.html
index c405715..2e46921 100644
--- a/helwasm/index.html
+++ b/helwasm/index.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <script type="module" src="./pkg/helwasm.js"></script>
     <script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
     <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js" crossorigin></script>
     <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
@@ -75,6 +76,18 @@
   </head>
   <body>
     <div id="root"></div>
+    <script type="text/javascript">
+      function read_line(prompt) {
+        console.log("called read_line: " + prompt);
+        return "line";
+      }
+
+      function read_password(prompt) {
+        console.log("called read_password: " + prompt);
+        return "password";
+      }
+
+    </script>
     <script type="text/babel">
       function Terminal() {
         const [input, setInput] = React.useState("");
@@ -101,7 +114,7 @@
             case "help":
               return "Available commands: help, date, ls";
             case "date":
-              return new Date().toString();
+              return hel.ok_add(1, 2).toString();
             case "ls":
               return "file1.txt file2.txt file3.txt";
             default:
diff --git a/helwasm/src/lib.rs b/helwasm/src/lib.rs
index 77a4405..08aad3a 100644
--- a/helwasm/src/lib.rs
+++ b/helwasm/src/lib.rs
@@ -3,6 +3,6 @@ extern crate hel;
 use wasm_bindgen::prelude::*;
 
 #[wasm_bindgen]
-pub fn add(a: i32, b: i32) -> i32 {
+pub fn ok_add(a: i32, b: i32) -> i32 {
     a + b + 1
 }
