URL = "https://portal.datacare.vn";
linkscript = document.createElement('script');
linkscript.setAttribute('src','https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js');
document.head.appendChild(linkscript);

linkcss = document.createElement('link');
linkcss.setAttribute('href','https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css');
linkcss.setAttribute('rel','stylesheet');
document.head.appendChild(linkcss);

linkscript.setAttribute('src','https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js');
document.head.appendChild(linkscript);


s2 =  document.createElement('script');
s2.setAttribute('src','https://portal.datacare.vn/alertifyjs/alertify.min.js');
document.head.appendChild(s2);


linkcss = document.createElement('link');
linkcss.setAttribute('href','https://portal.datacare.vn/alertifyjs/css/alertify.min.css');
linkcss.setAttribute('rel','stylesheet');
document.head.appendChild(linkcss);









<!-- 4 -->
g = document.createElement('div');
g.setAttribute("id", "frmdt_89");
g.setAttribute("style","z-index:99;position:fixed");
document.body.appendChild(g);


//document.getElementById("getform_89").innerHTML = 
document.getElementById("frmdt_89").innerHTML = '<div id="myModal_89" class="modal col-md-6 col-xs-12 class-form-demo-block"> <div id="mc_89" class="modal-content"> <span class="close" id="btnClose_89" onclick="CloseReg(89)">&times;</span>                             <div class="" style="">Họ Tên:                                 <input type="text" id="__txtName" class="form-control" >                            </div><div class="" style="">Số điện thoại:                                 <input type="text" id="__txtPhone" class="form-control" ></div><div class="" style="">Email*:                                 <input type="text" id="__txtEmail" class="form-control" ></div><div class="ui-sortable-handle" style="">                                <div class="">                                                                                                                                                <button id="__btnRegister" class="form-control" >Đăng ký</button>                                </div>                            </div><style  id="pikapuhide">                            </style></div></div>';
function AddS(fid)
{

   console.log("Add " + fid);

    
    
    $("#myModal_89").find("#__btnRegister").attr("onclick","__reg("+fid+")");
    $("#myModal_89").find("#__btnRegister").attr("touchend","__reg("+fid+")");
    $("#myModal_89").find("#__btnRegister").attr("id","__btnRegister_"+fid);
    $("#myModal_89").find("#__txtName").attr("id","__txtName_"+fid);
    $("#myModal_89").find("#__txtEmail").attr("id","__txtEmail_"+fid);
    $("#myModal_89").find("#__txtAddress").attr("id","__txtAddress_"+fid);
    $("#myModal_89").find("#__txtPhone").attr("id","__txtPhone_"+fid);
    $("#myModal_89").find("#__txtNote").attr("id","__txtNote_"+fid);
    
    //$("#__btnRegister_"+fid).attr("onclick", "OpenF("+fid+")" );
    
}

function OpenF(fid){
        modal = document.getElementById("myModal_"+fid);
        modal.style.display = "block";
    }


setTimeout(function() { AddS(89); }, 2000);


function __reg(fid){var formid=fid;var name=$("#__txtName_"+fid).val();var phone=$("#__txtPhone_"+fid).val();var email=$("#__txtEmail_"+fid).val();var mess=$("#__txtMessage_"+fid).val();var str="";if(name==""){str+="-Vui lòng nhập họ tên<br>"}
if(phone==""){str+="-Vui lòng nhập số điện thoại<br>"}
if(email==""){str+="-Vui lòng nhập email<br>"}
if(str!=""){alertify
  .alert(str, function(){
    CloseReg(fid);
  }).setHeader("Thông báo");}else{$.post("https://portal.datacare.vn/do/reg.aspx",{name:name,phone:phone,email:email,mess:mess,formid:formid},function(data){alert("Đăng ký thành công.");CloseReg(fid);})}}



document.getElementById("getform_89").innerHTML += '<div><button id="myBtn_89" class="myButton __btnRegister" style="background-color:#ffbe2e;color:#000000">Đăng Ký</button></div><style>/* The Modal (background) */.modal{display: none; /* Hidden by default */ position: fixed; /* Stay in place */ z-index: 1; /* Sit on top */ left: 0; top: 0; width: 100%; /* Full width */ height: 100%; /* Full height */ overflow: auto; /* Enable scroll if needed */ background-color: rgb(0,0,0); /* Fallback color */ background-color: rgba(0,0,0,0.4); /* Black w/ opacity */}/* Modal Content/Box */.modal-content{background-color: #fefefe; margin: 10% auto; /* 15% from the top and centered */ padding: 20px; border: 1px solid #888; width: 80%; /* Could be more or less, depending on screen size */}/* The Close Button */.close{color: #aaa; float: right; font-size: 28px; font-weight: bold;}.close:hover,.close:focus{color: black; text-decoration: none; cursor: pointer;}</style><style>.modal-content{width:400px;}.myButton{border-width: 0px!important; border-color: #e09900; border-radius: 22px; letter-spacing: 2px;padding:10px 20px 10px 20px}</style>';


    element = document.getElementById("myModal_89");
    element.classList.remove("col-md-6");
    element.classList.remove("col-xs-12");




// Get the modal
modal_89 = document.getElementById("myModal_89");

// Get the button that opens the modal
btn_89 = document.getElementById("myBtn_89");



// Get the <span> element that closes the modal
span_89 = document.getElementById("btnClose_89");

// When the user clicks on the button, open the modal
btn_89.onclick = function() {
  console.log("open modal click");
  modal_89.style.display = "block";
}

// When the user clicks on <span> (x), close the modal
span_89.onclick = function() {
  modal_89.style.display = "none";
}

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal_89) {
    modal_89.style.display = "none";
  }
}

    function CloseReg(id)
{
    $("#myModal_"+id).hide();
}