JSFiddle - React, Tailwind, and code Playground

HTML

<div class="cal_event">1</div>
<div class="cal_event">2</div>
<div class="cal_event">3</div>
<div class="table">Показать</div>

<div id="res">resultat</div>

CSS

div{cursor: pointer;}

JavaScript

(function ($) {
    var $res = $('#res');
    $("body").on("click", ".cal_event, .table", function(event) {
	    var title = $(this).text();
        $res.text( '1: ' + title );
    });
})(jQuery);