JSFiddle - React, Tailwind, and code Playground
HTML
<select id="package" name="package">
<option value="10">Bronze Package</option>
<option value="15">Silver Package</option>
<option value="20">Gold Package</option>
<option value="booth">A Booth Package</option>
<option value="0">No Package</option>
</select>
<div id="display" style="display:none;">
<select id="booth_package" name="booth-package">
<option value="0">Select a Booth Package</option>
<option value="200">The Bier Package</option>
<option value="200">The Cocktail Package</option>
<option value="200">The Spirits Package</option>
<option value="200">The Bar Tab Package</option>
</select>
</div>
JavaScript
$( document ).ready(function() {
$('#package').on('change',function(){
if( $(this).val()=="booth"){
$("#display").show()
}
else{
$("#display").hide()
}
}).trigger('change');
$('#package').change(function(){
$('#booth_package').val( $('#booth_package').prop('defaultSelected') );
});
});