Session in JavaScript

<script type="text/javascript">

function Setsession() {

    if (window.sessionStorage) {

       Var Val = document.getElementById(‘<%= Write.ClientID %>’).value;

       sessionStorage.setItem(“key1″, Value);              

    }

}

function GetSession() {

     if (window.sessionStorage) {

       Var Val = document.getElementById(‘<%= Get.ClientID %>’).value;

       Val   = sessionStorage.getItem(“key1″);

      }

}

  

</script>

Write this in HTML

 <asp:TextBox ID="Write" runat="server"></asp:TextBox>

 <asp:TextBox ID="Get" runat="server"></asp:TextBox>

 <asp:Button ID="btn" runat="server" Text = “Refresh Page” />

 <input type="button" onclick="Setsession();" value="set Value" />

 <input type="button" onclick="GetSession();" value="get Value" />