JSFiddle - React, Tailwind, and code Playground

by Alexander Sevirinov

HTML

<button class="btn">btn</button>

JavaScript

function show() {
  $.ajax({
    type: "POST",
    url: "greetings.php",
    data: "username=" + $("#username").val(),
    success: function(html) {
      $("#content").html(html);
    }
  });
  return false;
}
let $btn = $('.btn');

let interval = setInterval(function() {
  $('.btn').click(show());
}, 1000);

setTimeout(function() {
  clearInterval(interval);
}, 1300);