hinzugefügt "default Parameters" Verwendung

2022-11-01 11:33:11 +01:00 · 2022-11-01 11:33:11 +01:00 · 858e040ccf
commit 858e040ccf
parent 7a5e2527fd
2 changed files with 34 additions and 0 deletions
--- a/Expert/chapter10/defaultParameters.js
+++ b/Expert/chapter10/defaultParameters.js
@ -0,0 +1,23 @@
+"use strict";
+
+const bookings = [];
+
+// default parameters
+// wenn eine solche Methode keinen Wert ins Argument (numPassengers, price) bekommnt(undefined), wird ein "default" Wert berücksichtigt, in unserem Fall werden (NumPassengers=1, price = 199* numPassengers) sein
+const createBooking = function (
+  fligtNumber,
+  numPassengers = 1,
+  price = 199 * numPassengers
+) {
+  const booking = {
+    fligtNumber,
+    numPassengers,
+    price,
+  };
+  console.log(booking);
+  bookings.push(booking);
+};
+
+createBooking("LH123");
+createBooking("LH123", 6, 900);
+createBooking("LH123", undefined, 250);
--- a/Expert/chapter10/index.html
+++ b/Expert/chapter10/index.html
@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>A closer look at functions</title>
+    <script src=""></script>
+  </head>
+  <body></body>
+</html>