JSFiddle - React, Tailwind, and code Playground

by Town

HTML

<input type="checkbox"/>
<input type="checkbox"/>
<input type="checkbox"/>
<input type="checkbox"/>

CSS

.selected { padding: 2px; background-color: blue; }

JavaScript

$('input[type=checkbox]').click(function() {
    $(this).unwrap().filter(":checked").wrap("<span class='selected'>");
});