Display Login User Display name and Email Address Using REST API(SharePoint 2013)

Display Login User Display name and Email Address Using REST API(SharePoint 2013)

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>

<script type="text/javascript"  src="//ajax.aspnetcdn.com/ajax/4.0/1/MicrosoftAjax.js"></script>

<script type="text/javascript"  src="/_layouts/15/sp.runtime.js"> </script>

<script type="text/javascript"  src="/_layouts/15/sp.js">

</script>

<div>

    <input type="button" value="Display Ddata" onclick="getLoggedUserName();" />

</div>

<script type="text/javascript">

    function getLoggedUserName()

    {

        var userid = _spPageContextInfo.userId;

        var requestUri = _spPageContextInfo.webAbsoluteUrl + "/_api/web/getuserbyid(" + userid + ")";

        var requestHeaders = { "accept": "application/json;odata=verbose" };

        $.ajax({

            url: requestUri,

            contentType: "application/json;odata=verbose",

            headers: requestHeaders,

            success: onSuccess,

            error: onError

        });

        function onSuccess(data, request) {

            var Logg = data.d;

            //get login name

            var loginName = Logg.LoginName.split('|')[1];

           // var emailId = Logg.Email

            alert(loginName);

            //get display name

            alert(Logg.Title);

            alert(Logg.Email);

        }

        function onError(error) {

            alert("error");

        }

    }

</script>