Verify if PRIVATE BROWSING is blocking local storage

Verify if PRIVATE BROWSING is blocking local storage

<!-- ERROR FOR BLOCKED LOCAL STORAGE -->
<div id="apple_storage" style="display:none;">
    <div class="modal-new alerts">
        <h2>Attenion</h2>
        <a href="" class="close" onclick="document.getElementById('apple_storage').style.display = 'none';">Close</a>
        <div class="body">
            <p>
                Dear customer, to ensure proper use of the site it is necessary to abandon the
                private browsing.
            </p>
        </div><!-- /.body -->
    </div>
</div>

<!-- ERROR FOR BLOCKED COOKIES -->
<div id="no_cookie" style="display:none;">
    <div class="modal-new alerts">
        <h2>Attenion</h2>
        <a href="" class="close" onclick="document.getElementById('no_cookie').style.display = 'none';">Close</a>
        <div class="body">
            <p>
                Dear customer, to ensure proper use of the site it is necessary to enable cookies.
            </p>
        </div><!-- /.body -->
    </div>
</div>

<!-- Verify if PRIVATE BROWSING is blocking local storage -->
<script>
  var hasStorage = function() {
      var mod,
        result;
      try {
        mod = new Date;
        localStorage.setItem(mod, mod.toString());
        result = localStorage.getItem(mod) === mod.toString();
        localStorage.removeItem(mod);
        return result;
      } catch (_error) {
        return false;
      }
    },
    hasCookies = function() {
      var cookieEnabled = navigator.cookieEnabled ? true : false;

      if (typeof navigator.cookieEnabled == 'undefined' && !cookieEnabled) {
        document.cookie = 'testcookie';
        cookieEnabled = (document.cookie.indexOf('testcookie') != -1) ? true : false;
      }
      return cookieEnabled;
    };

  if (!hasStorage()) {
    document.getElementById('apple_storage').style.display = 'block';
  } else if (!hasCookies()) {
    document.getElementById('no_cookie').style.display = 'block';
  }
</script>