Cookie - Js

cookie.js

function cookie(name, value, options) {
  if (typeof value != 'undefined') {
      options = options || {};
      if (value === null) {
          value = '';
          $.extend({}, options);
          options.expires = -1;
      }
      var expires = '';
      if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
          var date;
          if (typeof options.expires == 'number') {
              date = new Date();
              date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
          } else {
              date = options.expires;
          }
          expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
      }
      var path = options.path ? '; path=' + (options.path) : '';
      var domain = options.domain ? '; domain=' + (options.domain) : '';
      var secure = options.secure ? '; secure' : '';
      document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
  } else {
      var cookieValue = '';
      if (document.cookie && document.cookie != '') {
          var cookies = document.cookie.split(';');
          for (var i = 0; i < cookies.length; i++) {
              var cookie = cookies[i].trim();
              if (cookie.substring(0, name.length + 1) == (name + '=')) {
                  cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                  break;
              }
          }
      }
      return cookieValue;
  }
}