JSFiddle - React, Tailwind, and code Playground

HTML

<form id="xxx">
<input id="yyy" type="file" />
</form>

JavaScript

$(function(){

    $('body').append('jq works <br />');

    $("#xxx").submit(function () 
    { 
        
       $('body').append('go >> <br />');
        
    });
    
});