JSFiddle - React, Tailwind, and code Playground

HTML

<select id="product-form-user-enquiry-type">
    <option value="-1">N/A</option>
    <option value="1">1</option>
    <option value="2">2</option>
</select>

JavaScript

var select_element = document.getElementById('product-form-user-enquiry-type');

select_element.onchange = function(e){
    alert('');
}