diff --git a/chapter10/ex9 Form checker b/chapter10/ex9 Form checker
new file mode 100644
index 0000000..bec0436
--- /dev/null
+++ b/chapter10/ex9 Form checker	
@@ -0,0 +1,44 @@
+<!doctype html>
+<html>
+<head>
+    <title>JS Tester</title>
+</head>
+<body>
+    <form action="index2.html" method="get">
+        First: <input type="text" name="first">
+        <br>Last: <input type="text" name="last">
+        <br>Age: <input type="number" name="age">
+        <br><input type="submit" value="submit">
+    </form>
+    <script>
+        const form = document.querySelector("form");
+        const email = document.querySelector("#email");
+        form.addEventListener("submit", (e) => {
+            let error = false;
+            if (checker(form.first.value)) {
+                console.log("First Name needed");
+                error = true;
+            }
+            if (checker(form.last.value)) {
+                console.log("Last Name needed");
+                error = true;
+            }
+            if (form.age.value < 19) {
+                console.log("You must be 19 or over");
+                error = true;
+            }
+            if (error) {
+                e.preventDefault();
+                console.log("please review the form");
+            }
+        })
+        function checker(val) {
+            console.log(val.length);
+            if (val.length < 6) {
+                return true;
+            }
+            return false;
+        }
+    </script>
+</body>
+</html>
