SO - 20190603

by Arun P Johny

HTML

<div id="selectmodelediv">
    <select>
        <option value=""></option>
        <option value="1111">test1</option>
        <option value="222">test2</option>
    </select>
    <br />
    <textarea id="targetText" name="targetText" class="champ_tel_txtarea" rows="6" cols="50"></textarea>
</div>

JavaScript

$('select').change(function () {
    $('#targetText').val($(this).val()) // add new content from select list
});