JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cloud.github.com/downloads/SteveSanderson/knockout/knockout-1.2.0.js"></script>
<input type="text" id="datepicker" />

JavaScript

$('#datepicker').datepicker({
            showOn: "both",
            changeYear: true,
            changeMonth: true
        })