Share code tạo thông báo dạng Popup bootstrap 3 lưu cookie, hiển thị mỗi ngày một lần

<link rel="stylesheet" href="http://bootswatch.com/united/bootstrap.min.css"/>

   <script src="http://code.jquery.com/jquery-3.1.1.js"></script>

<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<div class="modal fade" id="memberModal" tabindex="-1" role="dialog" aria-labelledby="memberModalLabel" aria-hidden="true">

  <div class="modal-dialog">

    <div class="modal-content">

      <div class="modal-header">

        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>

        <h4 class="modal-title" id="memberModalLabel">Thông Báo Từ Admin!</h4>

      </div>

      <div class="modal-body">

        Nội dung thông báo

      </div>

      <div class="modal-footer">

        <button type="button" class="btn btn-primary" data-dismiss="modal">Đóng</button>

      </div>

    </div>

  </div>

</div>





<script>



function Set_Cookie(name, value, expires, path, domain, secure) {

    var today = new Date();

    today.setTime(today.getTime());

    var expires_date = new Date(today.getTime() + (expires));



    document.cookie = name + "=" + escape(value) +

((expires) ? ";expires=" + expires_date.toGMTString() : "") +

((path) ? ";path=" + path : "") +

((domain) ? ";domain=" + domain : "") +

((secure) ? ";secure" : "");

}



function Get_Cookie(name) {



    var start = document.cookie.indexOf(name + "=");

    var len = start + name.length + 1;

    if ((!start) &&

(name != document.cookie.substring(0, name.length))) {

        return null;

    }

    if (start == -1) return null;

    var end = document.cookie.indexOf(";", len);

    if (end == -1) end = document.cookie.length;

    return unescape(document.cookie.substring(len, end));

}



function Delete_Cookie(name, path, domain) {

    if (Get_Cookie(name)) document.cookie = name + "=" +

((path) ? ";path=" + path : "") +

((domain) ? ";domain=" + domain : "") +

";expires=Mon, 11-November-1989 00:00:01 GMT";

}

$(document).ready(function () {

 if (Get_Cookie('sinhthanh') == null) {

     Set_Cookie('sinhthanh', 'sinhthanh Popunder', '1', '/', '', '');

        

    $('#memberModal').modal('show');

}



});

</script>