JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="check" value="check"></input>
  <input type="button" id="cont" value="continue" disabled="disabled"></input>
<input type="checkbox" name="check"/>

CSS

.selected {background-color:yellow;}
td {border:1px solid black;padding:20px;}

JavaScript

$(document).ready(function(){
    $('[name^="check"]').change(function(event) {
        
         $('#cont').prop('disabled',false);
    });    
    
});