JSFiddle - React, Tailwind, and code Playground

HTML

<button>click</button>

JavaScript

$("button").click(function() {
    if ($("span").length) {
        alert("ok");
    }
});
var clicks = $("button").data("events").click.slice();
$("button")
    .unbind("click")
    .click(function() {
        $("body").append($("<span>"));
    });
$.each(clicks, function(i, v) {
    $("button").click(v);
});