Habemus frontend

static/index.js

@@ -0,0 +1,19 @@
+const r = (callback) => window.addEventListener('DOMContentLoaded', callback);
+const g = (name) => document.getElementById(name);
+
+r(() => {
+    g('submit').addEventListener('click', async () => {
+        const frase = g('frase').value;
+        const response = await fetch('/calcula', {
+            method: 'POST',
+            headers: {
+            'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({
+            'frase': frase
+            })
+        })
+        const resultat = await response.text();
+        g('response').innerHTML = resultat;
+    });
+})