JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="datepicker"><b class="caret caret-right"></b> Older Posts</a>

JavaScript

var dpToggler = $('a.datepicker').button(),
        dp = $("<div />").css('position', 'absolute').hide().datepicker().appendTo(dpToggler);

    dpToggler.on('click', function(e) {
      e.preventDefault();
      if (dp.is(':hidden')) {
        dp.show().position({
          my: 'left top',
          at: 'right top',
          of: this
        });
      } else {
        dp.hide();
      }
    });