JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option>Choose Your Name</option>
<option>Frank</option>
<option>George</option>
<option>Other</option>
</select>
<label style="display:none;">Enter your Name
<input></input>
</label>
JavaScript
$(document).ready(function(){
$('select').change(function(){
if($('select option:selected').text() == "Other"){
$('label').show();
}
else{
$('label').hide();
}
})
});