JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://harvesthq.github.io/chosen/chosen.jquery.js"></script>
<link rel="stylesheet" href="http://harvesthq.github.io/chosen/chosen.css">
<select class=cls>
    <option value='' />
    <option value='-1' />Add new...</select>

JavaScript

$('.cls option').click(function () {
    if (this.value == "-1") {
        alert('clicked')
    }

});