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--- a/01_grundlagen/uebungen/#u47_higher-order-fn-lueckentext.html
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+<!DOCTYPE html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Übung 47: Lückentext zu Higher-Order-Funktionen</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 47: Lückentext zu Higher-Order-Funktionen</h1>
+        <p>
+          Das ist garantiert der letzte Lückentext für diese Lektion. Ersetzen Sie wieder die Kommentare
+          <strong>/* ??? */</strong> durch den richtigen Code, um das angegebene Ergebnis zu erzielen.
+        </p>
+      </div>
+    </main>
+    <script>
+      'use strict';
+
+      let result;
+      let results;
+      let inputs = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+      let text = 'Hi this is a short text';
+      let names = ['Heribert', 'Friedlinde', 'Tusnelda', 'Oswine', 'Ladislaus'];
+
+      //odd numbers
+      //results = inputs
+      console.log(results); // => [ 1, 3, 5, 7, 9 ]
+
+      //sum
+      //result = inputs
+      console.log(result); // => 55
+
+      //product
+      //result = inputs
+      console.log(result); // => 3628800
+
+      //longest word length
+      result = text.split(' '); //=> ['Hi', 'this', 'is', 'a', 'short', 'text'];
+      //
+
+      console.log(result); // => 5
+
+      //longest word
+      result = text.split(' '); //=> ['Hi', 'this', 'is', 'a', 'short', 'text'];
+      //
+
+      console.log(result); // =>'short'
+
+      //avg word length =========================
+
+      // result =
+      console.log(result); // => 3
+
+      //sort by 3rd letter
+      // ['Heribert', 'Friedlinde', 'Tusnelda', 'Oswine', 'Ladislaus'];
+
+      const names2 = [...names];
+      // results =
+      console.log(results); // => [ 'Ladislaus', 'Friedlinde', 'Heribert', 'Tusnelda', 'Oswine' ]
+
+      // Are there names with more than 8 letters?
+      // ['Heribert', 'Friedlinde', 'Tusnelda', 'Oswine', 'Ladislaus'];
+
+      // result = names
+
+      // Has every name at least 8 letters?
+      // result = names
+      console.log(result); // false
+
+      // What is the lowest value from the inputs?
+      // [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+      // result = inputs
+      console.log(result);
+    </script>
+  </body>
+</html>