JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
<form>
<input id="disabled" type="button" value="clk" disabled>
</form>

JavaScript

$(document).on('click',function(e){
 
  var isDisabled = $('#disabled').prop('disabled');
    
if (isDisabled)
{
        alert('yes');
 }
else
{
    alert('no');
}    
    
});