JSFiddle - React, Tailwind, and code Playground
HTML
<select id="demoSelect" />
<option>Option 1</option>
<option>Option 2</option>
<option>Option 3</option>
</select>
<br />
<input type="text" id="demoInput" /> <br />
<input type="text" id="demoInput2" /> <br />
<input type="text" id="demoInput3" /> <br />
<input type="text" id="demoInput4" /> <br />
JavaScript
$('#demoSelect').change(function(){
$('#demoInput').val($(this).val());
$('#demoInput2').val($(this).val());
$('#demoInput3').val($(this).val());
$('#demoInput4').val($(this).val());
});