Dynmamisk opdatering af selectboxes
HejEr der er en måde at lave følge kode uden submitknappen, således at siden opdateres uden at man skal trykke på knappen, men opdateres når en ny select box vælges?
<body>
<form name="form" method="post" action="listbox.php">
<h4>Combo and List Box Form</h4>
<p>Combo Box<br>
<select name="select">
<option value="Option 1" selected="true">Option 1</option>
<option value="Option 2">Option 2</option>
<option value="Option 3">Option 3</option>
<option value="Option 4">Option 4</option>
</select>
</p>
<p>List Box - Single Select<br>
<select name="listbox" size="3">
<option value="Option 1" selected="true">Option 1</option>
<option value="Option 2">Option 2</option>
<option value="Option 3">Option 3</option>
<option value="Option 4">Option 4</option>
<option value="Option 5">Option 5</option>
</select>
</p>
<p>List Box - Multiple Select<br>
<select name="listmultiple[]" size="3" multiple="true">
<option value="Option 1" selected="true">Option 1</option>
<option value="Option 2">Option 2</option>
<option value="Option 3">Option 3</option>
<option value="Option 4">Option 4</option>
<option value="Option 5">Option 5</option>
</select>
</p>
<p>
<input type="submit" name="Submit" value="Submit">
<input type="reset" name="Reset" value="Reset">
</p>
</form>
<?php
echo "<p>select: " . $_POST['select']."</p>\n";
echo "<p>listbox: " . $_POST['listbox'] . "</p>\n";
$values = $_POST['listmultiple'];
echo "<p>listmultiple: ";
foreach ($values as $a){
echo $a;
}
echo "</p>\n";
?>
</body>
