javascript-tutorial · ockley · Mar 7, 2026 · Mar 7, 2026
diff --git a/1-js/09-classes/02-class-inheritance/1-class-constructor-error/solution.md b/1-js/09-classes/02-class-inheritance/1-class-constructor-error/solution.md
@@ -1,6 +1,6 @@
-That's because the child constructor must call `super()`.
+Det er fordi at konstruktøren skal kalde `super()`.
 
-Here's the corrected code:
+Her er den tilrettede kode:
 
 ```js run
 class Animal {
@@ -21,7 +21,7 @@ class Rabbit extends Animal {
 }
 
 *!*
-let rabbit = new Rabbit("White Rabbit"); // ok now
+let rabbit = new Rabbit("Hvid kanin"); // ok nu
 */!*
-alert(rabbit.name); // White Rabbit
+alert(rabbit.name); // Hvid kanin
 ```
diff --git a/1-js/09-classes/02-class-inheritance/1-class-constructor-error/task.md b/1-js/09-classes/02-class-inheritance/1-class-constructor-error/task.md
@@ -2,11 +2,11 @@ importance: 5
 
 ---
 
-# Error creating an instance
+# Fejl ved oprettelse af instans
 
-Here's the code with `Rabbit` extending `Animal`.
+Her er koden hvor `Rabbit` udvider `Animal`.
 
-Unfortunately, `Rabbit` objects can't be created. What's wrong? Fix it.
+Uheldigvis kan `Rabbit`-objekter ikke oprettes. Hvad er galt? Ret det.
 ```js run
 class Animal {
 
@@ -24,7 +24,7 @@ class Rabbit extends Animal {
 }
 
 *!*
-let rabbit = new Rabbit("White Rabbit"); // Error: this is not defined
+let rabbit = new Rabbit("Hvid kanin"); // Fejl: this is not defined
 */!*
 alert(rabbit.name);
 ```
diff --git a/1-js/09-classes/02-class-inheritance/2-clock-class-extended/source.view/index.html b/1-js/09-classes/02-class-inheritance/2-clock-class-extended/source.view/index.html
@@ -1,13 +1,12 @@
-<!DOCTYPE HTML>
+<!DOCTYPE html>
 <script src="clock.js"></script>
 <script>
   let clock = new Clock({
-    template: 'h:m:s'
+    template: 'h:m:s',
   });
   clock.start();
 
-
-  /* Your class should work like this: */
+  /* Din klasse skal virke således: */
 
   /*
 

diff --git a/1-js/09-classes/02-class-inheritance/2-clock-class-extended/task.md b/1-js/09-classes/02-class-inheritance/2-clock-class-extended/task.md
@@ -2,14 +2,14 @@ importance: 5
 
 ---
 
-# Extended clock
+# Udvidet ur
 
-We've got a `Clock` class. As of now, it prints the time every second.
+Vi har en `Clock` klasse. Som det er nu udskriver den tiden hver sekund.
 
 
 [js src="source.view/clock.js"]
 
-Create a new class `ExtendedClock` that inherits from `Clock` and adds the parameter `precision` -- the number of `ms` between "ticks". Should be `1000` (1 second) by default.
+Opret en ny klasse `ExtendedClock`, som nedarver fra `Clock` og tilføjer parameteren `precision` -- antallet af `ms` mellem "ticks". Bør være `1000` (1 sekund) som standard.
 
-- Your code should be in the file `extended-clock.js`
-- Don't modify the original `clock.js`. Extend it.
+- Din kode bør være i filen `extended-clock.js`
+- Modificer ikke den originale `clock.js`. Udvid den.
diff --git a/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg b/1-js/09-classes/02-class-inheritance/animal-rabbit-extends.svg