JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<button id="load">
Load body
</button>
XXXX
XXXX
</body>

JavaScript

$('#load').on('click', function() {
    $('body').css({ cursor: 'wait'});
    $.get('/echo/js/?js=hello%20world&delay=2')
    .done(function(data) {
       $('body').html(data);
    })
    .always(function(){
    	$('body').css({ cursor: 'pointer'});
    });
})