added stuff in pair programming session

js/registration.js

@@ -0,0 +1,28 @@
+const email = document.getElementById('email');
+const password = document.getElementById('password');
+const password2 = document.getElementById('password2');
+password2.addEventListener('change', checkPassword);
+
+
+
+function register() {
+    if (!checkPassword()) {
+        return;
+    }
+    const form = document.querySelector('#marmeladenLadenRegisterForm');
+    var formData = new FormData(form);
+    const jSONdata = JSON.stringify(Object.fromEntries(formData));
+
+    //print elements of jSONdata
+    console.log(jSONdata);
+}
+
+function checkPassword() {
+    if (password.value != password2.value) {
+        password2.setCustomValidity('Passwords do not match');
+        return false;
+    } else {
+        password2.setCustomValidity('');
+        return true;
+    }
+}