jQuery Cookie Test
HTML
<script src="https://raw.github.com/carhartl/jquery-cookie/master/jquery.cookie.js"></script>
JavaScript
if($.cookie('CookieName') !== null){
alert('Welcome back!');
}else{
alert('This website gave your browser a free cookie for 24 Hours! Try re-loading the page and This code will recognise you already visited!');
$.cookie('CookieName', 'Cookie Value',
{ expires: 1/*expires in 1 day*/}
);
}