JSFiddle - React, Tailwind, and code Playground
HTML
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<button id="clickme">Clickme</button>JavaScript
$(document).ready(function () {
$('#clickme').click(function () {
$.ajax({
url: "/echo/json/",
type: "POST",
data: { a:1 },
success: function() {alert("успех"); }
});
})
});