JSFiddle - React, Tailwind, and code Playground

HTML

<button>Request for ajax</button>

JavaScript

function Create_new_event() {
     url = "missing.php";

     $.post(url, {}, function (hasil) {
         alert(hasil);
     });
 }
 $(function () {
     $('button').click(function(){
     Create_new_event();
     });
     $(document).ajaxError(function (event, request, settings, thrownError) {
         console.log(request.status  + ' : ' + thrownError);
     });
 });