how to set session data in javascript code example

Example 1: how to get session value using javascript

sessionStorage.getItem("SessionName")

Example 2: set a value in session using javascript

<script type="text/javascript">
    function GetUserName()
    {

        var username = '<%= Session["UserName"] %>';
        alert(username );
    }
</script>

Example 3: how to get session value using javascript

By LOVE
sessionStorage.getItem("SessionName")