JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.10.0/jquery.validate.min.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.10.0/additional-methods.js"></script>
<form id="myform">
    <div>
        <label>
            <input type="checkbox" name="demo[]" value="colorado">test0</label>
        <label>
            <input type="checkbox" name="demo[]" value="michigan">test1</label>
            <input type="checkbox" name="demo[]" value="colorado">test2</label>
        <label>
            <input type="checkbox" name="demo[]" value="michigan">test3</label>
            <input type="checkbox" name="demo[]" value="colorado">test4</label>
        <label>
            <input type="checkbox" name="demo[]" value="michigan">test5</label>
    </div>
    <div>
        <label>
            <input type="checkbox" name="service_area[]" value="colorado">colorado</label>
        <label>
            <input type="checkbox" name="service_area[]" value="michigan">michigan</label>
    </div>
    <div>
        <label>
            <input type="checkbox" name="fav[]" value="skiing">skiing</label>
        <label>
            <input type="checkbox" name="fav[]" value="volley">volley</label>
    </div>
    <input type="submit" />
</form>
<a href="http://docs.jquery.com/Plugins/Validation" target="_blank">Validation Documentation</a>

CSS

a {
    display: block;
    position: absolute;
    bottom: 0;
}

JavaScript

$(document).ready(function () {

    $('#myform').validate({
        rules: {
            'service_area[]': {
                required: true
            },
            'fav[]': {
                required: true
            },
            'demo[]': {
                required: true
            }
        },
        messages: {
        	'service_area[]': {
                required: 'try again'
            },
            'fav[]': {
                required: 'try again'
            },
            'demo[]': {
                required: 'tryagain'
            }
        
        },
        errorPlacement: function (error, element) {
            error.insertBefore(element);
        },
        submitHandler: function (form) { // for demo
            alert('valid form');
            return false;
        }
    });

});