JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://trac.roundcube.net/export/48e9c14ebded89d858c8be0333f77f77a81b0877/github/plugins/jqueryui/js/i18n/jquery.ui.datepicker-pt-BR.js"></script>
<input type="text" id="InitialDate" />
<input type="text" id="FinalDate" />

JavaScript

$(function() {
    $("#InitialDate").datepicker();
    $("#FinalDate").datepicker();
    
    $("#InitialDate").change(function () {
        var d = $.datepicker.parseDate('dd/mm/yy', $(this).val());
        d.setFullYear(d.getFullYear() + 1);
        $('#FinalDate').datepicker('setDate', d);
    });
});