JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.13.1/jquery.validate.js"></script>
<form id="myform">
    <div data-val="true" data-type="list-checkbox">
        <input type="checkbox" name="foo" />
        <input type="checkbox" name="foo" />
        <input type="checkbox" name="foo" />
    </div>
    <input type="submit" />
</form>

JavaScript

$(document).ready(function() {

    $('#myform').validate({
        rules: {
            foo: {  // 'name' of the field.
                required: true
            }
        }
    });

});