JSFiddle - React, Tailwind, and code Playground
by jasarjasu786
HTML
<td><span class="wpcf7-form-control-wrap years-required">
<select name="years-required" class="wpcf7-form-control wpcf7-select wpcf7-validates-as-required" aria-required="true">
<option value="">---
</option><option value="00/01">00/01</option>
<option value="01/02">01/02</option>
<option value="02/03">02/03</option>
<option value="03/04">03/04</option>
<option value="04/05">04/05</option>
<option value="05/06">05/06</option>
<option value="06/07">06/07</option>
<option value="07/08">07/08</option>
<option value="08/09">08/09</option>
<option value="09/10">09/10</option>
<option value="10/11">10/11</option>
<option value="11/12">11/12</option>
<option value="12/13">12/13</option>
</select></span> <span class="wpcf7-form-control-wrap price">
<input type="text" name="price" value="" size="40" class="wpcf7-form-control wpcf7-text wpcf7-validates-as-required" id="pricetwo" aria-required="true" />
</span></td>
JavaScript
$('select').on('change', function(){
$('#pricetwo').val($(this).val());
});