JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/iCheck/1.0.1/icheck.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/iCheck/1.0.1/skins/all.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/iCheck/1.0.1/skins/flat/flat.css">
<label>Input <input type="checkbox" value="1" name="input"/></label>

JavaScript

$('input').iCheck({
	checkboxClass: 'icheckbox_flat'
}).on('ifToggled', function(e) {
    if (confirm('Don\'t check?')) {
        return false;
    }
});