add Read Request
<html> <head> <script language="JavaScript"> function function1() { navigator.userProfile.addReadRequest("vCard.DisplayName"); navigator.userProfile.doReadRequest(1, "Desk Reference"); alert(navigator.userProfile.getAttribute("vcard.DisplayName")); navigator.userProfile.clearRequest(); } </script> </head> <body> <button onclick="function1();">Click here</button> </body> </html>