new class js -advanced

2026-06-29 11:35:03 +02:00
parent ee8a87bf2a
commit 31c13250b0
104 changed files with 2632 additions and 138 deletions
--- a/01_grundlagen/uebungen/#o01_palindrom.html
+++ b/01_grundlagen/uebungen/#o01_palindrom.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
  <head>
    <meta charset="UTF-8" />
@@ -40,6 +40,24 @@
    </main>
    <script>
      'use strict';
+
+      const outputEl = document.querySelector('.output');
+
+      const isPalindrom = (toCheckString) => {
+        const reverseString = toCheckString
+          .replace(/[$%!.,]/g, '')
+          .split('')
+          .reverse()
+          .join('');
+        return toCheckString.trim().toLowerCase() === reverseString.trim().toLowerCase() ? true : false;
+      };
+
+      const toTest = ` Lagerregal`;
+
+      const result = isPalindrom(toTest);
+
+      console.log(toTest, result);
+      outputEl.textContent = `${toTest} ist ${result ? 'ein' : 'KEIN'} Palindrom`;
    </script>
  </body>
 </html>