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hinzugefügt "default Parameters" Verwendung

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This commit is contained in:
David 2022-11-01 11:33:11 +01:00
parent 7a5e2527fd
commit 858e040ccf
2 changed files with 34 additions and 0 deletions
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23
javascript/Javascript Expert/chapter10/defaultParameters.js Normal file
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"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);

11
javascript/Javascript Expert/chapter10/index.html Normal file
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<!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>