| | |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Strings</h3> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | const empty1 = ""; |
| | | const empty1 = ''; |
| | | |
| | | const s1 = 'abc'; |
| | | const s2 = "abc"; |
| | | |
| | | const s3 = 'a"b"c'; |
| | | const s4 = "a\"b\"c"; |
| | | |
| | | const s5 = 'a\'b\'c'; |
| | | const s6 = "a'b'c"; |
| | | |
| | | const s7 = `a'b'"c"`; |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Strings zusammenfügen</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | const age = 10; |
| | | |
| | | // Konkatenation |
| | | const s = "My age is " + number + "!"; |
| | | |
| | | // Interpolation |
| | | const s = `My age is ${number}!`; |
| | | |
| | | // => "My age is 10!" |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Template Strings</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | function sayHello() { |
| | | return "Hello"; |
| | | } |
| | | |
| | | let interpolation = `${sayHello()}`; |
| | | |
| | | // => "Hello" |
| | | |
| | | interpolation = `5 + 5 = ${5+5}`; |
| | | |
| | | // => "5 + 5 = 10" |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | lit |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | return html`<div>hello world!</div>` |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | function myTag() { |
| | | console.log(arguments); |
| | | |
| | | // return 5; |
| | | // return true; |
| | | return "abc"; |
| | | } |
| | | |
| | | let interpolation = myTag`a ${5} b ${6} c`; |
| | | |
| | | // => "abc" |
| | | </code> |
| | | </pre> |
| | | <pre> |
| | | <code class="bash" data-trim data-line-numbers> |
| | | Arguments(3) [Array(3), 5, 6] |
| | | 0 : (3) ['a ', ' b ', ' c', raw: Array(3)] |
| | | 1 : 5 |
| | | 2 : 6 |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Aufgabe</h5> |
| | | <p>Schreibe ein Tag, welches die Zahlen aus den dynamischen Ausdrücken zusammenrechnet (<code>strings.js</code>)</p> |
| | | </section> |
| | | <section> |
| | | <h5>Lösung</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | function add(parts, ...numbers) { |
| | | return numbers.reduce((p, c) => p + c, 0); |
| | | } |
| | | |
| | | let sum = add`a ${5} b ${6} c`; |
| | | |
| | | console.log(sum); |
| | | |
| | | // => 11 |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Rest-Operator</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | function add(...numbers) { |
| | | return numbers.reduce((p, c) => p + c, 0); |
| | | } |
| | | |
| | | add(1, 2, 3); // => 6 |
| | | </code> |
| | | </pre> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | const o1 = {a: 1, b: 2}; |
| | | const o2 = {x: 5, y: 6, ...o1}; |
| | | </code> |
| | | </pre> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | const a1 = [4, 5, 6]; |
| | | const a2 = [1, 2, 3, ...a1]; |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Relevante Browser-APIs</h3> |
| | | </section> |
| | | <section> |
| | | <h5>window</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | window.innerWidth; // innere Auflösung des sichtbaren Fensters |
| | | window.innerHeight; |
| | | window.outerWidth; // äußere Auflösung des Browserfensters inklusive Adresszeile usw. |
| | | window.outerHeight; |
| | | |
| | | window.addEventListener(); // Events an das äußerste "Dach"-Element hängen |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>location</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | location.href; // aktuelle URL |
| | | location.host; // aktuelle Domain, z.B. "www.google.de" |
| | | location.protocol; // aktuelles Protokoll, z.B. "https:" |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Navigator</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | navigator.language; // bevorzugte Browsersprache, z.B. "de" |
| | | navigator.userAgent; // z.B. "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) [...]" |
| | | navigator |
| | | .mediaDevices |
| | | .getDisplayMedia(); // Fordere Erlaubis zum Streamen von Anwendungen oder Bildschirmen an |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>Document</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | document.body; // <body>-Element der Seite |
| | | document.activeElement; // aktives Element der Seite, welche gerade den Fokus besitzt |
| | | document.cookie; // für die aktuelle Seite gesetzte Cookies |
| | | document.execCommand("copy"); // Texte in die Zwischenablage zu schreiben |
| | | document.createElement("div"); // erzeuge neues DOM-Element mit angegebenen Tag |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h5>LocalStorage</h5> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers> |
| | | // auf 5MB Daten pro Domain begrenzt |
| | | localStorage.getItem(key); // Element holen |
| | | localStorage.setItem(key, value); // Element setzen |
| | | localStorage.removeItem(key); // Element entfernen |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | </section> |
| | | <section> |
| | | <section> |
| | | <h2>CSS</h2> |
| | | <img data-src="/assets/images/css-sucks.png"> |
| | | </section> |
| | | <section> |
| | | <h3>Warum CSS?</h3> |
| | | <ul> |
| | | <li>Erhöhte Zugänglichkeit des Inhalts</li> |
| | | <li>Wiederverwendbarkeit</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | selector [, selector2, selector3, ...] { |
| | | property1: value; |
| | | property2: value; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Beispiel</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | html, body { |
| | | width: 100%; |
| | | height: 100%; |
| | | margin: 0; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Selektoren</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | /* Elemente */ |
| | | html, body {...} |
| | | |
| | | /* IDs */ |
| | | #my-id {...} |
| | | |
| | | /* Klassen */ |
| | | .my-class {...} |
| | | |
| | | /* Pseudo-Klassen */ |
| | | div:hover {...} |
| | | |
| | | /* Attribute */ |
| | | div[my-attribut="abc"] {...} |
| | | |
| | | /* Kombinationen */ |
| | | div.my-class#my-id {...} |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Variablen</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | html { |
| | | --my-background-color: #abcdef; |
| | | } |
| | | |
| | | html div { |
| | | background-color: var(--my-background-color, white); |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Das <code>display</code>-Attribut</h3> |
| | | </section> |
| | | <section> |
| | | <p>block</p> |
| | | <img data-src="/assets/images/css-display-block.svg"> |
| | | <ul> |
| | | <li>untereinander angeordnet</li> |
| | | <li>nehmen sich die volle Breite</li> |
| | | <li><code>width</code> und <code>height</code> möglich</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <p>inline</p> |
| | | <img data-src="/assets/images/css-display-inline.svg"> |
| | | <ul> |
| | | <li>Standard bei <code>Custom Elements</code></li> |
| | | <li>nur so groß wie der content</li> |
| | | <li><code>width</code> und <code>height</code> nicht möglich</li> |
| | | <li>nebeneinander angeordnet</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <p>inline-block</p> |
| | | <img data-src="/assets/images/css-display-inline-block.svg"> |
| | | <ul> |
| | | <li>Mischform von <code>block</code> und <code>inline</code></li> |
| | | <li>nur so groß wie der content</li> |
| | | <li><code>width</code> und <code>height</code> möglich</li> |
| | | <li>nebeneinander angeordnet</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <p>none</p> |
| | | <img data-src="/assets/images/css-display-none.svg"> |
| | | <ul> |
| | | <li>unsichtbar</li> |
| | | <li>Platz wird nicht länger beansprucht, so als wenn das Element nicht im DOM wäre</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Das <code>position</code>-Attribut</h3> |
| | | </section> |
| | | <section> |
| | | <p>static</p> |
| | | <img data-src="/assets/images/css-position-static.svg"> |
| | | <ul> |
| | | <li>Standard</li> |
| | | <li>Element wird am Ort der Verankerung im HTML dargestellt</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <p>relative</p> |
| | | <img data-src="/assets/images/css-position-relative.svg"> |
| | | <ul> |
| | | <li>Verschiebung zur eigentlichen <code>static</code>-Position, z.B. mittels <code>left: 20px</code></li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <p>absolut</p> |
| | | <img data-src="/assets/images/css-position-absolute.svg"> |
| | | <ul> |
| | | <li>relative Verschiebung zum nächsten nicht-<code>static</code>-Parent (sonst <code>window</code>)</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Implementiere folgendes Beispiel-Menü</p> |
| | | <iframe data-src="/assets/html/css-menu.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Lösung</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .menu-item { |
| | | display: inline-block; |
| | | |
| | | position: relative; |
| | | } |
| | | |
| | | .menu-item .children { |
| | | display: none; |
| | | |
| | | position: absolute; |
| | | } |
| | | |
| | | .menu-item:hover .children { |
| | | display: block; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers> |
| | | <script type="text/template"> |
| | | <div class="menu"> |
| | | <div class="menu-item">Eins</div> |
| | | <div class="menu-item"> |
| | | Hover Me! |
| | | <div class="children"> |
| | | <div>Item 1</div> |
| | | <div>Item 2</div> |
| | | </div> |
| | | </div> |
| | | <div class="menu-item">Drei</div> |
| | | </div> |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Viewport</h3> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers> |
| | | <!DOCTYPE html> |
| | | <html> |
| | | <head> |
| | | <meta charset="utf-8"></meta> |
| | | <meta |
| | | name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" |
| | | > |
| | | </head> |
| | | <body> |
| | | ... |
| | | </body> |
| | | </html> |
| | | </code> |
| | | </pre> |
| | | <p>Ein Muss für alle responsiven Seiten</p> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="bash" data-trim data-line-numbers=""> |
| | | npm install -g http-server |
| | | cd pfad/zum/projekt |
| | | http-server --port 8080 |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Einheiten</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | div { |
| | | width: 1px; /* Pixel */ |
| | | width: 1pt; /* Points */ |
| | | width: 1em; /* Breite des "M" in der Schriftgröße des Elements */ |
| | | width: 1rem; /* Breite des "M" in der Schriftgröße des HTML-Elements */ |
| | | width: 1vw; /* Prozent der View Width */ |
| | | width: 1%; /* Prozent des Elternelements */ |
| | | |
| | | width: 5fr; /* Fraction (nur im CSS Grid verfügbar) */ |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Größeneinheiten in einer HTML-Datei ausprobieren</p> |
| | | </section> |
| | | <section> |
| | | <h3>CSS Flexbox</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .container { |
| | | display: flex; /* soll ein flexibler Container sein */ |
| | | display: inline-flex; |
| | | |
| | | flex-direction: column; /* Kinder spaltenweise anordnen */ |
| | | flex-direction: row; /* Kinder zeilenweise anordnen */ |
| | | |
| | | align-items: center; |
| | | justify-content: center; |
| | | |
| | | gap: 20px; /* Abstände zwischen den Achsen */ |
| | | } |
| | | |
| | | .child { |
| | | flex-grow: 1; /* Anteiliger Platz, wenn mehr als nötig da ist */ |
| | | flex-shrink: 1; /* Anteiliger Platz, wenn weniger als nötig da ist */ |
| | | flex-basis: 20px; /* Grundlage zur Berechnung der finalen Größe */ |
| | | order: 1; /* Erlaubt die Darstellung in anderer Reihenfolge als durch das HTML vorgegeben */ |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <img data-src="/assets/images/css-flexbox-axes.drawio.svg"> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Mit CSS Flexbox rumspielen</p> |
| | | </section> |
| | | <section> |
| | | <h3>CSS Grid</h3> |
| | | </section> |
| | | <section> |
| | | <h3>Terminologie</h3> |
| | | <img data-src="/assets/images/css-grid-terminology.drawio.svg"> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .grid { |
| | | display: grid; /* inline-grid; */ |
| | | |
| | | grid-template-columns: 1fr 1fr 1fr; |
| | | grid-template-rows: 1fr 1fr; |
| | | |
| | | gap: 5px 10px; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers=""> |
| | | <div class="grid"> |
| | | <span>A</span> |
| | | <span>B</span> |
| | | <span>C</span> |
| | | <span>D</span> |
| | | <span>E</span> |
| | | <span>F</span> |
| | | </div> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <iframe data-src="/assets/html/css-grid-example-1.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .grid { |
| | | grid-template-columns: [left] 1fr [column1] 1fr [column2] 1fr [right]; |
| | | grid-template-rows: [top] 1fr [row1] 1fr [bottom]; |
| | | } |
| | | |
| | | .a { |
| | | grid-column: 2 / span 2; |
| | | grid-row: 1; |
| | | } |
| | | |
| | | .b { |
| | | grid-column: left / column2; |
| | | grid-row: 2; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers=""> |
| | | <div class="grid"> |
| | | <span class="a">A</span> |
| | | <span class="b">B</span> |
| | | </div> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <iframe data-src="/assets/html/css-grid-example-2.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .grid { |
| | | grid-template-areas: |
| | | "header header header" |
| | | "content content content"; |
| | | } |
| | | |
| | | .a { |
| | | grid-area: header; |
| | | } |
| | | |
| | | .b { |
| | | grid-area: 2 / 1 / 2 / 3; /* start-row / start-column / end-row / end-column */ |
| | | /* alternativ auch Namen der Lines möglich */ |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <iframe data-src="/assets/html/css-grid-example-3.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Implementiere folgendes Design:</p> |
| | | <iframe data-src="/assets/html/css-grid-excercise.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Lösung</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .grid { |
| | | display: grid; |
| | | |
| | | grid-template-rows: 1fr 5fr 1fr; |
| | | |
| | | gap: 2px; |
| | | |
| | | grid-template-areas: |
| | | "navigation header header header" |
| | | "navigation content content content" |
| | | "footer footer footer footer" |
| | | } |
| | | |
| | | .navigation { |
| | | grid-area: navigation; |
| | | } |
| | | |
| | | .header { |
| | | grid-area: header; |
| | | } |
| | | |
| | | .content { |
| | | grid-area: content; |
| | | } |
| | | |
| | | .footer { |
| | | grid-area: footer; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers=""> |
| | | <div class="grid"> |
| | | <div class="area navigation">Navigation</div> |
| | | <div class="area header">Header</div> |
| | | <div class="area content">Content</div> |
| | | <div class="area footer">Footer</div> |
| | | </div> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h4>Platzierug des Inhalts</h4> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers=""> |
| | | .grid { |
| | | align-items: center; |
| | | justify-items: center; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <iframe data-src="/assets/html/css-grid-example-4.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Media Queries</h3> |
| | | <ul> |
| | | <li>"Medienabfragen"</li> |
| | | <li>Styles auf Basis von Eigenschaften des Ausgabemediums</li> |
| | | <li>Große Bildschirme, kleine Bildschirme, Printmedien...</li> |
| | | <li>Hinweis: Sollten immer als letztes (unten) in einem Stylesheet sein</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | @media screen and (min-width: 640px) and (max-width: 1024px) { |
| | | .navigation { |
| | | display: none; |
| | | } |
| | | } |
| | | </code> |
| | | </pre> |
| | | <p>Bedeutung: Wenn die Seite auf einem Display angezeigt wird, welches zwischen 640px und 1024px in der Breite anzeigen kann, dann blende die Navigation aus</p> |
| | | </section> |
| | | <section> |
| | | <h3>Werte für die Ausgabemedien (optional, Standard ist "all")</h3> |
| | | <ul> |
| | | <li>all</li> |
| | | <li>screen</li> |
| | | <li>print</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Werte für die Eigenschaften mit Typ und Erklärung (kleiner Auszug)</h3> |
| | | <ul> |
| | | <li>width (Number, Breite)</li> |
| | | <li>height (Number, Höhe)</li> |
| | | <li>orientation (portrait | landscape, Quer- oder Hochformat)</li> |
| | | <li>hover (none | hover, Hat Zeiger zum Hovern)</li> |
| | | <li>forced-colors (none | active, erzwungene Farbpalette z.B. bei Sehbehinderung)</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Entwerfe eine kleine Seite mit @media und zeige ein beliebiges Element ab einer bestimmten Höhe oder Breite an (die Größe des Displays kann dynamisch mit den Entwicklertools im Gerätesimulator geändert werden)</p> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Passe die Vorlage "media-queries-responsive-layout.html" mit @media-Queries so an, dass das Menü links ab einer maximalen Breite von 480 Pixel und kleiner nach links oben in die Ecke minimiert wird und nur per Hover wieder 50% Breite und 100% Höhe bekommt</p> |
| | | </section> |
| | | <section> |
| | | <img data-src="/assets/images/media-queries-excercise.png"> |
| | | </section> |
| | | <section> |
| | | <h3>Lösung</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | @media screen and (max-width: 480px) { |
| | | .menu { |
| | | grid-area: unset; |
| | | |
| | | position: absolute; |
| | | } |
| | | |
| | | .menu:hover { |
| | | height: 100%; |
| | | width: 50%; |
| | | } |
| | | |
| | | .grid { |
| | | grid-template-columns: 0fr 5fr; |
| | | } |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Transform</h3> |
| | | <ul> |
| | | <li>rein optisch, d.h. "physische" Größe bleibt erhalten</li> |
| | | <li>eine Art "Shader" auf Grafikebene</li> |
| | | <li>Effekte wie Drehung, Vergrößerung, Verschiebung usw.</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .foo { |
| | | transform: translateX(20px) translateY(20px); |
| | | transform-origin: left; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Mögliche Effekte</h3> |
| | | <ul> |
| | | <li>translate</li> |
| | | <li>rotate</li> |
| | | <li>scale</li> |
| | | <li>scew</li> |
| | | </ul> |
| | | <p>Die meisten besitzen zusätzlich spezifischere X-, Y- oder 3D-Versionen</p> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Probiere die genannten Transform-Effekte in einer beliebigen Seite aus</p> |
| | | </section> |
| | | <section> |
| | | <h3>Transition</h3> |
| | | <ul> |
| | | <li>Elemente können "weich" verändert werden</li> |
| | | <li>Mögliche Attribute, deren Änderungen animiert werden können sind z.B. <code>width</code>, <code>height</code>, <code>transform</code>, <code>color</code> und viele weitere</li> |
| | | <li>Das Attribut <code>display</code> lässt sich jedoch nicht animieren</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .foo { |
| | | width: 100%; |
| | | background-color: red; |
| | | /* transition: [Attribut] [Dauer] [Zeitfunktion] */ |
| | | transition: width 1s ease-out; |
| | | } |
| | | |
| | | .foo:hover { |
| | | width: 50%; |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Beispiel</h3> |
| | | <iframe data-src="/assets/html/css-transition.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Animation</h3> |
| | | <ul> |
| | | <li>Es können zusätzlich eigene Animationen entworfen werden</li> |
| | | <li>Definition per <code>Keyframes</code></li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .foo { |
| | | animation-duration: 3s; |
| | | animation-name: slidein; |
| | | } |
| | | |
| | | @keyframes slidein { |
| | | from { |
| | | margin-left: 100%; |
| | | width: 300%; |
| | | } |
| | | |
| | | to { |
| | | margin-left: 0%; |
| | | width: 100%; |
| | | } |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Alternative Syntax</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .foo { |
| | | /* ... */ |
| | | } |
| | | |
| | | @keyframes slidein { |
| | | 1% { |
| | | margin-left: 100%; |
| | | } |
| | | |
| | | 100% { |
| | | margin-left: 0%; |
| | | } |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Beispiel</h3> |
| | | <iframe data-src="/assets/html/css-animation.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>3D Transform</h3> |
| | | <ul> |
| | | <li>Neben den gewohnten X- und Y-Achsen (Breite und Höhe) gibt es auch noch die Z-Achse</li> |
| | | <li>Bewegung entlang der Sichtachse, d.h. zum bzw. vom Betrachter weg</li> |
| | | <li>Perspektivische Effekte möglich</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Beispiel</h3> |
| | | <iframe data-src="/assets/html/css-transform-3d.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Bedingungen / Optionen</h3> |
| | | <pre> |
| | | <code class="css" data-trim data-line-numbers> |
| | | .container { |
| | | perspective: 1000px; /* "Entfernung" des Betrachters */ |
| | | |
| | | transform-style: preserve-3d; /* oder "flat" */ |
| | | } |
| | | |
| | | .element { |
| | | backface-visibility: hidden; /* oder "visible" */ |
| | | } |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Beispiel</h3> |
| | | <iframe data-src="/assets/html/css-transform-3d-cube.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Implementiere einen drehenden Würfel (Vorlage "templates/008-css/css-3d-cube.html")</p> |
| | | </section> |
| | | </section> |
| | | <section> |
| | | <section> |
| | | <h2>Web Components</h2> |
| | | </section> |
| | | <section> |
| | | <p>Was sind Web Components?</p> |
| | | <img data-src="/assets/images/web-components.svg"> |
| | | </section> |
| | | <section> |
| | | <p>Vorteile</p> |
| | | <ul> |
| | | <li>Entwicklung eigener HTML-Elemente, welche sich nahtlos neben nativen Elementen nutzen lassen</li> |
| | | <li>Hohe Wiederverwendbarkeit in mehreren Projekten</li> |
| | | <li>Keine Libraries oder Frameworks notwendig, um eigene Elemente zu entwickeln</li> |
| | | <li>Kapselung des Scopes sowohl von JS (Variablen...) als auch CSS (id, class...)</li> |
| | | </ul> |
| | | </section> |
| | | <section> |
| | | <h3>Ansätze in der Vergangenheit und Alternativen heute</h3> |
| | | </section> |
| | | <section> |
| | | <h4>jQuery</h4> |
| | | <a href="https://api.jqueryui.com/accordion/#entry-examples" target="_blank">https://api.jqueryui.com/accordion/#entry-examples</a> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers> |
| | | <script type="text/template"> |
| | | <div id="accordion" class="ui-accordion ui-widget ui-helper-reset" role="tablist"> |
| | | <h3 class="ui-accordion-header ui-corner-top ui-state-default ui-accordion-icons ui-accordion-header-active ui-state-active" role="tab" id="ui-id-1" aria-controls="ui-id-2" aria-selected="true" aria-expanded="true" tabindex="0"> |
| | | <span class="ui-accordion-header-icon ui-icon ui-icon-triangle-1-s"></span>Section 1</h3> |
| | | <div class="ui-accordion-content ui-corner-bottom ui-helper-reset ui-widget-content ui-accordion-content-active" id="ui-id-2" aria-labelledby="ui-id-1" role="tabpanel" aria-hidden="false" style="display: block; height: 166.8px;"> |
| | | <p>Mauris mauris ante, blandit et, ultrices a, suscipit eget. |
| | | Integer ut neque. Vivamus nisi metus, molestie vel, gravida in, |
| | | condimentum sit amet, nunc. Nam a nibh. Donec suscipit eros. |
| | | Nam mi. Proin viverra leo ut odio.</p> |
| | | </div> |
| | | <h3 class="ui-accordion-header ui-corner-top ui-state-default ui-accordion-icons ui-accordion-header-collapsed ui-corner-all" role="tab" id="ui-id-3" aria-controls="ui-id-4" aria-selected="false" aria-expanded="false" tabindex="-1"><span class="ui-accordion-header-icon ui-icon ui-icon-triangle-1-e"></span>Section 2</h3> |
| | | <div class="ui-accordion-content ui-corner-bottom ui-helper-reset ui-widget-content" id="ui-id-4" aria-labelledby="ui-id-3" role="tabpanel" aria-hidden="true" style="display: none; height: 166.8px;"> |
| | | <p>Sed non urna. Phasellus eu ligula. Vestibulum sit amet purus. |
| | | Vivamus hendrerit, dolor aliquet laoreet, mauris turpis velit, |
| | | faucibus interdum tellus libero ac justo.</p> |
| | | </div> |
| | | <h3 class="ui-accordion-header ui-corner-top ui-state-default ui-accordion-icons ui-accordion-header-collapsed ui-corner-all" role="tab" id="ui-id-5" aria-controls="ui-id-6" aria-selected="false" aria-expanded="false" tabindex="-1"><span class="ui-accordion-header-icon ui-icon ui-icon-triangle-1-e"></span>Section 3</h3> |
| | | <div class="ui-accordion-content ui-corner-bottom ui-helper-reset ui-widget-content" id="ui-id-6" aria-labelledby="ui-id-5" role="tabpanel" aria-hidden="true" style="display: none; height: 166.8px;"> |
| | | <p>Nam enim risus, molestie et, porta ac, aliquam ac, risus. |
| | | Quisque lobortis.Phasellus pellentesque purus in massa.</p> |
| | | <ul> |
| | | <li>List item one</li> |
| | | <li>List item two</li> |
| | | <li>List item three</li> |
| | | </ul> |
| | | </div> |
| | | </div> |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h4>angular</h4> |
| | | <img data-src="/assets/images/web-components-angular.png"> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers> |
| | | <script type="text/template"> |
| | | <app-root _nghost-ng-c3715250071="" ng-version="17.0.0"><app-top-bar _ngcontent-ng-c3715250071="" _nghost-ng-c3918259376=""><a _ngcontent-ng-c3918259376="" routerlink="/" ng-reflect-router-link="/" href="/"><h1 _ngcontent-ng-c3918259376="">My Store</h1></a><a _ngcontent-ng-c3918259376="" routerlink="/cart" class="button fancy-button" ng-reflect-router-link="/cart" href="/cart"><em _ngcontent-ng-c3918259376="" class="material-icons">shopping_cart</em>Checkout |
| | | </a></app-top-bar><div _ngcontent-ng-c3715250071="" class="container"><router-outlet _ngcontent-ng-c3715250071=""></router-outlet><app-product-list _nghost-ng-c2837874410=""><h2 _ngcontent-ng-c2837874410="">Products</h2><div _ngcontent-ng-c2837874410=""><h3 _ngcontent-ng-c2837874410=""><a _ngcontent-ng-c2837874410="" title="Phone XL details" ng-reflect-router-link="/products,1" href="/products/1"> Phone XL </a></h3><p _ngcontent-ng-c2837874410=""> Description: A large phone with one of the best screens </p><!--bindings={ |
| | | "ng-reflect-ng-if": "A large phone with one of the " |
| | | }--><button _ngcontent-ng-c2837874410="" type="button"> Share </button><app-product-alerts _ngcontent-ng-c2837874410="" _nghost-ng-c869072018="" ng-reflect-product="[object Object]"><p _ngcontent-ng-c869072018=""><button _ngcontent-ng-c869072018="" type="button">Notify Me</button></p><!--bindings={ |
| | | "ng-reflect-ng-if": "true" |
| | | }--></app-product-alerts></div><div _ngcontent-ng-c2837874410=""><h3 _ngcontent-ng-c2837874410=""><a _ngcontent-ng-c2837874410="" title="Phone Mini details" ng-reflect-router-link="/products,2" href="/products/2"> Phone Mini </a></h3><p _ngcontent-ng-c2837874410=""> Description: A great phone with one of the best cameras </p><!--bindings={ |
| | | "ng-reflect-ng-if": "A great phone with one of the " |
| | | }--><button _ngcontent-ng-c2837874410="" type="button"> Share </button><app-product-alerts _ngcontent-ng-c2837874410="" _nghost-ng-c869072018="" ng-reflect-product="[object Object]"><!--bindings={ |
| | | "ng-reflect-ng-if": "false" |
| | | }--></app-product-alerts></div><div _ngcontent-ng-c2837874410=""><h3 _ngcontent-ng-c2837874410=""><a _ngcontent-ng-c2837874410="" title="Phone Standard details" ng-reflect-router-link="/products,3" href="/products/3"> Phone Standard </a></h3><!--bindings={ |
| | | "ng-reflect-ng-if": "" |
| | | }--><button _ngcontent-ng-c2837874410="" type="button"> Share </button><app-product-alerts _ngcontent-ng-c2837874410="" _nghost-ng-c869072018="" ng-reflect-product="[object Object]"><!--bindings={ |
| | | "ng-reflect-ng-if": "false" |
| | | }--></app-product-alerts></div><!--bindings={ |
| | | "ng-reflect-ng-for-of": "[object Object],[object Object" |
| | | }--></app-product-list><!--container--></div> |
| | | </app-root> |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Aufbau einer Web Component</h3> |
| | | <pre> |
| | | <code class="html" data-trim data-line-numbers> |
| | | <script type="text/template"> |
| | | <!-- |
| | | Hinweis: Der Name bzw. der Selektor muss immer einen Bindestrich enthalten, |
| | | damit keine Namens-Kollisionen mit nativen HTML-Tags entstehen können |
| | | --> |
| | | <hello-world></hello-world> |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers="1-15|17"> |
| | | <script type="text/template"> |
| | | class HelloWorldComponent extends HTMLElement { |
| | | connectedCallback() { |
| | | const shadowRoot = this.attachShadow({mode: "open"}); |
| | | |
| | | shadowRoot.innerHTML = ` |
| | | <style> |
| | | div { |
| | | background-color: coral; |
| | | color: white; |
| | | } |
| | | </style> |
| | | <div>Hello World!</div> |
| | | `; |
| | | } |
| | | } |
| | | |
| | | window.customElements.define("hello-world", HelloWorldComponent); |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <iframe data-src="/assets/html/hello-world.html"></iframe> |
| | | </section> |
| | | <section> |
| | | <h3>Auf Attribute reagieren</h3> |
| | | <pre> |
| | | <code class="js" data-trim data-line-numbers="2|8-10"> |
| | | <script type="text/template"> |
| | | class HelloWorldComponent extends HTMLElement { |
| | | static observedAttributes = ["my-attribute"]; |
| | | |
| | | connectedCallback() { |
| | | // ... |
| | | } |
| | | |
| | | attributeChangedCallback(name, oldValue, newValue) { |
| | | console.log(`${name}: changed from ${oldValue} to ${newValue}`); |
| | | } |
| | | } |
| | | </script> |
| | | </code> |
| | | </pre> |
| | | </section> |
| | | <section> |
| | | <h3>Aufgabe</h3> |
| | | <p>Lasse die eigene Komponente "hello-sayer" auf eine Änderung des "name"-Attributs reagieren, indem der dort eingetragene Name in der Komponente angezeigt wird (Beispiel: name="Joe" => Hello Joe!)</p> |
| | | <p>(/examples/templates/web-components/hello-sayer.html)</p> |
| | | </section> |
| | | </section> |
| | | </div> |
| | | </div> |
| | |
| | | hash: true, |
| | | slideNumber: "c/t", |
| | | transition: "fade", |
| | | |
| | | |
| | | // Learn about plugins: https://revealjs.com/plugins/ |
| | | plugins: [ RevealMarkdown, RevealHighlight, RevealNotes ] |
| | | }); |