customize template

public/script.ts

@@ -0,0 +1,16 @@
+fetch('/message')
+    .then((resp) => resp.text())
+    .then((text) => {
+        const h1 = document.getElementById('heading')!;
+        h1.textContent = text;
+    });
+
+const button = document.getElementById("button")!;
+button.addEventListener("click", () => {
+    fetch('/random')
+        .then((resp) => resp.text())
+        .then((text) => {
+            const random = document.getElementById('random')!;
+            random.textContent = text;
+        });
+});