JSFiddle - React, Tailwind, and code Playground

HTML

<input id="datepicker_arr">

JavaScript

$('#datepicker_arr').datepicker({
     dateFormat: 'dd.mm.yy',
     monthNames: ['Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember'],
     dayNames: ['Sonntag', 'Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag'],
     dayNamesMin: ['So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa'],
     numberOfMonths: 3,

 });

 $(document).click(function (e) {
     var target = e.target;
     if ($(target).is('.hasDatepicker')) return true;
     if (!$(this).closest('.ui-datepicker-div'))        $(".hasDatepicker").datepicker("hide");
 });