02_advanced/uebungen/u02_distance/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="de">
   <head>
     <meta charset="UTF-8" />
@@ -24,6 +24,17 @@
     </main>
     <script>
       'use strict';
+
+      const distance = ({ x: xOrigin, y: yOrigin }, { x: xDestination, y: yDestination }) => {
+        return Math.sqrt((yDestination - yOrigin) ** 2 + (xDestination - xOrigin) ** 2);
+      };
+
+      const getDistance = (origin, target) => {
+        return Math.sqrt((target.y - origin.y) ** 2 + (target.x - origin.x) ** 2);
+      };
+
+      console.log(distance({ x: 1, y: 1 }, { x: 5, y: 1 })); // => 4
+      console.log(getDistance({ x: 1, y: 1 }, { x: 5, y: 1 })); // => 4
     </script>
   </body>
 </html>