JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/js/materialize.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/css/materialize.min.css">
<input type="text" class="datepicker">

JavaScript

var date = new Date();
var year = date.getFullYear();
var month = date.getMonth();
var day = date.getDate();
var date = new Date(year - 1, month, day);

$('.datepicker').datepicker({
autoClose : true,
format : 'dd mmm yyyy',
minDate:  date,
defaultDate: date
});
alert(date);