2026-07-01 09:40:35 +02:00
parent f642829cb1
commit 2dbadb9c4f
11 changed files with 222 additions and 24 deletions
--- a/02_advanced/uebungen/#u07_string-rekursiv/index.html
+++ b/02_advanced/uebungen/#u07_string-rekursiv/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
  <head>
    <meta charset="UTF-8" />
@@ -18,7 +18,16 @@
    <script>
      'use strict';

-      const reverseString = (str) => {};
+      const reverseString = (str) => {
+        if (str.length <= 1) {
+          return '';
+        }
+
+        // console.log('str.slice(1): ', str.slice(1));
+        // iwie kapier ich das mit den rückgabewarten von rekursiven funktionen noch net wirklich
+        return reverseString(str.slice(1)) + str[0];
+        // return ... <-- ("lo") + "l" <--- ("llo") + "e"  <-- ("ello") + "h"
+      };

      // Test cases
      console.log(reverseString('hello')); // => "olleh"