JSFiddle - React, Tailwind, and code Playground

HTML

<button class="click_a1">Detalhes</button>
<div class="cola1" style="display:none">hey!</div>

JavaScript

$('[class^=click_a').each(function (i) {
    (function () {
        var nr = i + 1;
        var cola = $('.cola' + nr);
        $(this).click(function () {
            cola.slideToggle();
        });
    })();
});