2026-08-18 14:27:34 +02:00
parent c7d26e1cd9
commit c6d9611e81
35 changed files with 1852 additions and 130 deletions
--- a/06_js-debug/uebungen/u09_parse-user-data/solution.html
+++ b/06_js-debug/uebungen/u09_parse-user-data/solution.html
@@ -0,0 +1,55 @@
+<!doctype html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Übung 9: parseUserData Fehler</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
+  </head>
+  <body>
+    <main>
+      <div class="container py-5">
+        <h1>Übung 9: parseUserData Fehler</h1>
+        <p>Die Kommentare zeigen das erwartete Ergebnis.</p>
+      </div>
+    </main>
+    <script>
+      'use strict';
+
+      function parseUserData(jsonString) {
+        try {
+          const userData = JSON.parse(jsonString);
+
+          // hinzugefügt
+          if (typeof userData.name === 'undefined') {
+            return 'Error: name ist nicht vorhanden!';
+          }
+
+          if (typeof userData.age === 'undefined') {
+            return 'Error: age ist nicht angegeben';
+          }
+          if (typeof userData.name !== 'string') {
+            return 'Error: name ist nicht vom Typ string!';
+          }
+
+          if (typeof userData.age !== 'number') {
+            return 'Error: age ist nicht vom Typ number';
+          }
+          // end
+
+          return `User: ${userData.name}, Age: ${userData.age}`;
+        } catch (error) {
+          if (error instanceof Error) {
+            return `Error: ${error.message}`;
+          }
+          return error;
+        }
+      }
+
+      console.log(parseUserData('{"name": "Alice", "age": 30}')); // => 'User: Alice, Age: 30'
+      console.log(parseUserData('{"name": "Bob", "age": "thirty"}')); // => 'Error: Invalid data types'
+      console.log(parseUserData('{"age": "thirty"}')); // => 'Error: Invalid data types'
+      console.log(parseUserData('{"name": "Bob"}')); // => 'Error: Invalid data types'
+    </script>
+  </body>
+</html>