add slots and introduction to styling

Sascha Schulz

2024-02-05 0ce1abf05619d2f2121157ebe03ec17b7fb6bdc4

 index.html

@@ -3608,6 +3608,13 @@
               <section>
                  <h3>Auf Attribute reagieren</h3>
                  <pre>
                     <code class="html" data-trim data-line-numbers>
                        <script type="text/template">
                           <hello-world my-attribute="a"></hello-world>
                        </script>
                     </code>
                  </pre>
                  <pre>
                     <code class="js" data-trim data-line-numbers="2|8-10">
                        <script type="text/template">
                           class HelloWorldComponent extends HTMLElement {
@@ -3672,6 +3679,90 @@
               <section>
                  <iframe data-src="/assets/html/hello-sayer.html"></iframe>
               </section>
               <section>
                  <h3>Elemente aus dem LightDOM platzieren mit <code>&lt;slot></code></h3>
                  <pre>
                     <code class="js" data-trim data-line-numbers>
                        <script type="text/template">
                           this.root.innerHTML = `
                              <span>Hello <slot></slot>!</span>
                           `;
                        </script>
                     </code>
                  </pre>
               </section>
               <section>
                  <h4>Beispiel</h4>
                  <pre>
                     <code class="html" data-trim data-line-numbers>
                        <script type="text/template">
                           <hello-sayer>Joe</hello-sayer>
                           <hello-sayer>Allie</hello-sayer>
                        </script>
                     </code>
                  </pre>
                  <iframe data-src="/assets/html/hello-sayer-2.html"></iframe>
               </section>
               <section>
                  <h3>Mehrfache benannte <code>&lt;slot></code>s</h3>
                  <pre>
                     <code class=js data-trim data-line-numbers>
                        <script type="text/template">
                           this.root.innerHTML = `
                              <span>
                                 first name: <slot name="first"></slot> |
                                 last name: <slot name="last"></slot>
                              </span>
                           `;
                        </script>
                     </code>
                  </pre>
               </section>
               <section>
                  <h4>Beispiel</h4>
                  <pre>
                     <code class="html" data-trim data-line-numbers>
                        <script type="text/template">
                           <name-field>
                              <span slot="first">Leia</span>
                              <span slot="last">Organa</span>
                           </name-field>
                        </script>
                     </code>
                  </pre>
                  <iframe data-src="/assets/html/name-field.html"></iframe>
               </section>
               <section>
                  <h3>Aufgabe</h3>
                  <p>Entwerfe eine <code>CardComponent</code> (Vorlage "card-component.html") in folgendem Stil und nutze dabei sinnvolle <code>&lt;slot></code>s:</p>
                  <pre>
                     <code class="html" data-trim data-line-numbers>
                        <script type="text/template">
                           <card-component>
                              <span slot="title">This is a title</span>
                              <span slot="content">...Lorem ipsum dolor sit amet, consetetur sadipscing elitr...</span>
                           </card-component>
                        </script>
                     </code>
                  </pre>
                  <iframe data-src="/assets/html/exercise-card-component.html"></iframe>
               </section>
               <section>
                  <h3>Styling einer Web Component</h3>
                  <pre>
                     <code class="css" data-trim data-line-numbers>
                        <script type="text/template">
                           :host {
                              display: block; /* inline, inline-block, flex, grid etc... */
									
                              color: red;
									
                              font-family: Arial, Helvetica, sans-serif;
                           }
                        </script>
                     </code>
                  </pre>
               </section>
            </section>
         </div>
      </div>