Editing JavaScript 1 Document Objekt

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Line 208: Line 208:
   </form>
   </form>
   <script>
   <script>
    const selectionList = document.getElementById('selection-list');
     // Möglichkeit 1 um entsprechendes Optionsfeld auszuwählen     
     // Möglichkeit 1 um entsprechendes Optionsfeld auszuwählen     
     selectionList.selectedIndex = 2;     
     selection-list.selectedIndex = 2;     
     // Möglichkeit 2     
     // Möglichkeit 2     
     selectionList.options[2].selected = true;   
     selection-list.options[2].selected = true;   
     // Möglichkeit 3     
     // Möglichkeit 3     
     selectionList.value = "selection3";
     selection-list.value = "selection3";
   </script>
   </script>
</body>
</body>
Line 250: Line 249:
     * Wenn Fokus entfernt wird, kommt es zum blur-Event     
     * Wenn Fokus entfernt wird, kommt es zum blur-Event     
     */
     */
     document.getElementById("field1").onfocus = message;
     field1.onfocus = message;
   </script>
   </script>
</body>
</body>
Line 279: Line 278:
     * tritt die Fehlermeldung auf     
     * tritt die Fehlermeldung auf     
     */
     */
     document.getElementById("field1").onblur = message;
     field1.onblur = message;
   </script>
   </script>
</body>
</body>
Line 488: Line 487:
     "use strict";
     "use strict";


     function changeImage() {
     function tauschen() {
       document.images[0].src = "bild2.jpg";
       document.images[0].src = "bild2.jpg";
     }
     }
     btn.onclick = changeImage;
     btn.onclick = tauschen;
   </script>
   </script>
</body>
</body>
Line 502: Line 501:
<body>
<body>
   <div id="div">
   <div id="div">
     <p id="paragraph">Hier steht ein Absatz</p>
     <p id="absatz">Hier steht ein Absatz</p>
   </div>
   </div>
   <button type="button" onclick="background()">Layout verändern</button>
   <button type="button" onclick="hintergrund()">Layout verändern</button>
   <script>
   <script>
     function background() {
     function hintergrund() {
       document.getElementById("paragraph").style.background = "red";
       document.getElementById("absatz").style.background = "red";
       document.getElementById("paragraph").style.fontSize = "30px";
       document.getElementById("absatz").style.fontSize = "30px";
       document.getElementById("paragraph").style.color = "white";
       document.getElementById("absatz").style.color = "white";
       document.getElementById("paragraph").style.width = "150px";
       document.getElementById("absatz").style.width = "150px";
       document.getElementById("paragraph").style.border = "3px solid blue";
       document.getElementById("absatz").style.border = "3px solid blue";
     }
     }
   </script>
   </script>
</body>
</body>
</pre>
</pre>
<blockquote>
Quelle: JavaScript
Programmieren für Einsteiger
ISBN: 978-3-96645-016-4
</blockquote>

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