Auto update people picker value with email id when we add username in another people picker field in sharepoint 2013 list using javascript

Question

hi friends
i have to people picker fields
pp1 and pp2
pp1 represents username
pp2 represents email id
here i problem is if user enters name in pp1, pp2 has to update with email id of corresponding user in pp1 dynamically.
using java script is there any solution for this.
please help me

Answer 1

Hope below will help
<asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">
<script type="text/ecmascript" language="ecmascript">
var user;
var visitorsGroup;
function runCode() {
var clientContext = new SP.ClientContext();
var groupCollection = clientContext.get_web().get_siteGroups();
// Get the visitors group, assuming its ID is 4.
visitorsGroup = groupCollection.getById(4);
user = clientContext.get_web().get_currentUser();
var userCollection = visitorsGroup.get_users();
userCollection.addUser(user);
clientContext.load(user);
clientContext.load(visitorsGroup);
clientContext.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));
function onQuerySucceeded() {
alert(user.get_title() + " added to group " + visitorsGroup.get_title());
function onQueryFailed(sender, args) {
alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
</script>
<input id="Button1" type="button" value="Run Code" onclick="runCode()" />
</asp:Content>http://msdn.microsoft.com/en-us/library/office/jj246835%28v=office.15%29.aspxhttp://msdn.microsoft.com/en-us/library/office/jj920104%28v=office.15%29.aspxhttp://stackoverflow.com/questions/20981226/sharepoint-2013-get-current-user-javascripthttp://sharepoint.stackexchange.com/questions/31457/get-user-via-javascript-client-object-model