01_grundlagen/uebungen/u40_map-lueckentext.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -24,11 +24,11 @@
       let inputs = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
 
       //double
-      results = inputs.map();
+      results = inputs.map((n) => n * 2);
       console.log(results); // => [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
 
       //squares
-      results = inputs.map();
+      results = inputs.map((n) => n * n);
 
       console.log(results); // => [1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
       //