The error below comes when i try opening the webpage
please help
Unhandled exception at line 2, column 31118 in http://localhost:60408/BootStrap/Jquery3.4.1.js
0x800a01b6 - JavaScript runtime error: Object doesn't support property or method 'mask'
<%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/Forms/Site1.Master" CodeBehind="StockOperations.aspx.vb" Inherits="UNIFORMSWEBAPP.StockOperations" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<title></title>
<link rel="stylesheet" href="../BootStrap/Css/BootStrap3.3.2.css" />
<script type="text/javascript" src="../BootStrap/Jquery3.4.1.js"></script>
<script type="text/javascript" src="../BootStrap/Bootstrap3.3.2.min.js"></script>
<script type="text/javascript" src="../BootStrap/Jquery.Datatables.1.10.20.js"></script>
<link href="../BootStrap/Css/1.10.20.jquery.dataTables.css" rel="stylesheet" type="text/css" />
<script src="../Scripts/inputmask.min.js"></script>
<script src="../Scripts/inputmask.date.extensions.min.js"></script>
<script src="../Scripts/inputmask.extensions.min.js"></script>
<link rel="stylesheet" type="text/css" href="../Scripts/inputmask.css"/>
<script type="text/javascript">
jQuery(function myfuctionsula ($){
$("#Tfrom").mask("99/99/9999", { placeholder: 'dd/mm/yyyy' });
$("#Tos").mask("99/99/9999", { placeholder: 'dd/mm/yyyy' });
});
</script>
<body>
<div>
<asp:Panel ID="Panel1" runat="server" CssClass="auto-style6" Height="318px" Width="1036px" BorderColor="#FF0066" BorderStyle="Double" >
<table class="auto-style1" border="1">
<tr>
<td class="auto-style3" colspan="3"><strong><span class="auto-style2">STOCK OPERATIONS</span></strong></td>
<td colspan="4"> </td>
</tr>
<tr>
<td class="auto-style3"><strong>Stock Management</strong></td>
<td><strong>Reports</strong></td>
<td>
<asp:Button ID="Button1" runat="server" Text="Back To Menu" />
</td>
<td colspan="4"> </td>
</tr>
<tr>
<td rowspan="6">
<asp:RadioButtonList ID="rblCountries" runat="server" AutoPostBack="true" RepeatDirection="Vertical">
<asp:ListItem Selected="True" Text="All" Value=""></asp:ListItem>
<asp:ListItem Text="Enter Incoming/Outgoing Stock" Value="Enter Incoming/Outgoing Stock"></asp:ListItem>
<asp:ListItem Text="Post Stock" Value="Post Stock"></asp:ListItem>
<asp:ListItem Text="Enter Code for New Stock Item" Value="Enter Code for New Stock Item"></asp:ListItem>
<asp:ListItem Text="Enter Stock Sub Categories" Value="Enter Stock Sub Categories"></asp:ListItem>
<asp:ListItem Text="Stock Adjustment" Value="Stock Adjustment"></asp:ListItem>
<asp:ListItem>Register Services</asp:ListItem>
</asp:RadioButtonList>
</td>
<td rowspan="6" colspan="2">
<asp:RadioButtonList ID="rblCountries0" runat="server" AutoPostBack="true" RepeatDirection="Vertical">
<asp:ListItem Selected="True" Text="All" Value=""></asp:ListItem>
<asp:ListItem Text="Stock Control/Stock Taking" Value="Stock Control/Stock Taking"></asp:ListItem>
<asp:ListItem Text="Stock Card" Value="Stock Card"></asp:ListItem>
<asp:ListItem>Stock Report</asp:ListItem>
</asp:RadioButtonList>
</td>
<td class="auto-style11" colspan="4">
<asp:RadioButtonList ID="RadioButtonList1" runat="server" AutoPostBack="True">
<asp:ListItem>Update Stock Balance(Both in Store and Shop)</asp:ListItem>
<asp:ListItem>View Stock Balances Only</asp:ListItem>
</asp:RadioButtonList>
</td>
</tr>
<tr>
<td>
From</td>
<td>
<asp:TextBox ID="Tfrom" runat="server"></asp:TextBox>
</td>
<td>To</td>
<td>
<asp:TextBox ID="Tos" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td class="auto-style10" colspan="4"></td>
</tr>
<tr>
<td colspan="4"> </td>
</tr>
<tr>
<td class="auto-style8" colspan="4"></td>
</tr>
<tr>
<td colspan="4"> </td>
</tr>
</table>
</asp:Panel>
</div>
<table class="auto-style9">
<tr>
<td class="auto-style8">
</td>
<td class="auto-style8"></td>
</tr>
<tr>
<td> </td>
<td> </td>
</tr>
</table>
</body>
</html>
</asp:Content>
