calendarextender is not working in chrome version 61

Question

calendarextender is not working in chrome version 61.0

Here is my code

<asp:TextBox runat="server" CssClass="txtBox" ForeColor="Black" Height="17px" Width="100px"
ID="txtUpdateDate" ValidationGroup="grpDDL1"></asp:TextBox>
<ajaxtoolkit:maskededitextender id="MaskedEditExtender1" runat="server" targetcontrolid="txtUpdateDate"
mask="99/99/9999" masktype="Date" errortooltipenabled="True" culturename="en-GB"
cultureampmplaceholder="AM;PM" culturecurrencysymbolplaceholder="£" culturedateformat="DMY"
culturedateplaceholder="/" culturedecimalplaceholder="." culturethousandsplaceholder=","
culturetimeplaceholder=":" enabled="True" />
<ajaxtoolkit:calendarextender id="CalendarExtender1" runat="server" targetcontrolid="txtUpdateDate"
format="dd/MM/yyyy" enabled="True" onclientdateselectionchanged="CheckForBackDate" />