public/web-development/presentation.git

			@@ -498,29 +498,18 @@
			</table>
			</section>
			<section>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<script type="text/template">
			<!DOCTYPE html>
			<html lang="de">
			<head>
			<meta charset="UTF-8">
			</head>
			<body>
			<!-- code -->
			</body>
			</html>
			</script>
			</code>
			</pre>
			</section>
			<section>
			<p>Code wird zwischen <code>script</code>-Tags geschrieben</p>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<script>
			...
			</script>
			<!DOCTYPE html>
			<html lang="de">
			<head>
			<meta charset="UTF-8">
			</head>
			<body>
			<script>// code</script>
			</body>
			</html>
			</code>
			</pre>
			</section>
			@@ -549,6 +538,165 @@
			</pre>
			</section>
			</section>
			<section>
			<section>
			<h2>Auslagern in verschiedene Dateien</h2>
			</section>
			<section>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<!DOCTYPE html>
			<html>
			<head>
			<!-- CSS -->
			<link href="styles.css" rel="stylesheet">
			</head>
			<body>
			<!-- JS -->
			<script src="index.js"></script>
			</body>
			</html>
			</code>
			</pre>
			</section>
			<section>
			<p>Parsen eines HTML-Dokuments</p>
			<pre>
			<code class="html" data-trim data-line-numbers="1\|2\|3\|4\|5\|6\|7\|8\|9\|10">
			<script type="text/template">
			<!DOCTYPE html>
			<html lang="de">
			<head>
			<meta charset="UTF-8">
			<title>Coole Seite 😀</title>
			</head>
			<body>
			<div>Ganz langer Text</div>
			</body>
			</html>
			</script>
			</code>
			</pre>
			</section>
			<section>
			<p>Verschiedene Varianten, JavaScript erst am Ende auszuführen</p>
			<p>Damals mit jQuery:</p>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<!DOCTYPE html>
			<html>
			<head>
			<script>
			$(document).ready((event) => {
			const element = document.querySelector("#hello");
			});
			</script>
			</head>
			<body>
			<div id="hello">Hello World!</div>
			</body>
			</html>
			</code>
			</pre>
			</section>
			<section>
			<p><code>script</code>-Tag am Ende</p>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<!DOCTYPE html>
			<html>
			<head>
			</head>
			<body>
			<div>Hello World!</div>
			...
			<script src="index.js"></script>
			</body>
			</html>
			</code>
			</pre>
			</section>
			<section>
			<p>Event-basiert, z.B. per DOMContentLoaded</p>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<!DOCTYPE html>
			<html>
			<head>
			<script>
			document.addEventListener("DOMContentLoaded", (event) => {
			// wird ausgeführt, sobald das Dokument geparst wurde
			const element = document.querySelector("#hello");
			});
			</script>
			</head>
			<body>
			<div id="hello">Hello World!</div>
			</body>
			</html>
			</code>
			</pre>
			</section>
			<section>
			<p>Moderne Variante</p>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<script src="index.js" defer></script>
			</code>
			</pre>
			</section>
			<section>
			<h2><code>document</code>-Operationen</h2>
			<pre>
			<code class="js" data-trim data-line-numbers>
			document.open();
			document.write("<div>Booo!</div>");
			document.close();
			</code>
			</pre>
			</section>
			<section>
			<a href="https://developer.mozilla.org/en-US/docs/Web/API/Document/write">
			<img data-src="/assets/images/document.write.jpg">
			</a>
			</section>
			<section>
			<pre>
			<code class="html" data-trim data-line-numbers>
			<body>
			<script>document.write("<p>Dies ist ein Text.</p>")</script>
			<button>Dunkle Magie</button>
			<script>
			const button = document.querySelector("button");

			button.addEventListener("click", () => {
			document.write("Und pfutsch!");
			});
			</script>
			</body>
			</code>
			</pre>
			</section>
			</section>
			<section>
			<section>
			<h2>HTTP-Protokoll</h2>
			</section>
			<section>
			<img data-src="/assets/images/osi-model.jpg">
			</section>
			<section>
			<ul>
			<li>Befindet sich auf den OSI-Schichten 5, 6 und 7</li>
			<li>Basiert auf dem Anfrage-Antwort-Prinzip</li>
			<li>Basiert auf reinem Text</li>
			</ul>
			</section>
			<section>
			<p><code>npm install http-server</code></p>
			<p><code>npx http-server --port 3000</code></p>
			</section>
			</section>
			</div>
			</div>