I have a requirement to retrieve the user email from created by column. I have tried with get_lookupValue(), but I got system object error message. Is there any solution to retrieve the user email from created by column using JavaScript?

Code attempted:

var Item=get_item('Author'); 
var user=Item.get_lookupValue();
  • Add code you are using, to help you better
    – Anuja
    Sep 17, 2014 at 10:38
  • var Item=get_item('Author'); var user=Item.get_lookupValue();
    – Gowtham
    Sep 17, 2014 at 11:02

1 Answer 1


get_item('Author'); should return a user object. Simply use the get_email() method to get the user email:

var ctx = new SP.ClientContext();
var list = ctx.get_web().get_lists().getByTitle('My list');
var item = list.getItemById(1);
}, /* error handling here */ );

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