preview.cookie-consent.js
<script type="text/javascript"> function setCookie(key, value, expiry) { var expires = new Date(); expires.setTime(expires.getTime() + (expiry * 24 * 60 * 60 * 1000)); document.cookie = key + '=' + value + ';expires=' + expires.toUTCString(); } function getCookie(key) { var keyValue = document.cookie.match('(^|;) ?' + key + '=([^;]*)(;|$)'); return keyValue ? keyValue[2] : null; } function eraseCookie(key) { var keyValue = getCookie(key); setCookie(key, keyValue, '-1'); } </script>
Source: stackoverflow.com