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>

CSS

div{cursor: pointer;}

JavaScript

(function ($) {
$(".cal_event").on("click", function(calEvent) {
	    $(".table").on("click", function() {
	        alert($(calEvent).text());
	    });
	});
})(jQuery);