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<select id="mySelect" onchange="myFunction()">
<?php foreach ($addressbooks as $addressbook) : ?>
<option value="<?php echo $addressbook->id; ?>"><?php echo $addressbook->id; ?>
<?php endforeach; ?>
</select>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("mySelect").value;
document.getElementById("demo").innerHTML = "You selected: " + x;
}
</script>