JSFiddle - React, Tailwind, and code Playground

HTML

<h2></h2>
<form id="send" action="#" method="POST">
<input type="text" id="x"><br/>
<input type="text" id="y">

<input type="submit">
</form>

JavaScript

$(document).ready(function(){

$('#send').submit(function(){
          var x = $('#x').val();
          var y = $("#y").val();
            if(x <= y){
								$('h2').html("Done.");
               

            }else{
              $('h2').html("Sorry,not enough cash.");
            }
                 

                event.preventDefault();
         });
         
});