demos.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Populate Demos</title>

  <script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
  <script src="http://code.jquery.com/jquery-migrate-1.2.1.min.js"></script>

  <script src="./jquery.populate.js"></script>
</head>
<body>
  <form id="form-1">
    <div>
      <label for="name"/>Name</label>
      <input id="name" name="name" type="text"/>
    </div>

    <div>
      <label>
        <input type="checkbox" name="alive" id="alive" /> Are you alive?
      </label>
    </div>
  </form>

  <button id="populate">Populate</button>

  <script>
    $(function(){
      $('#populate').on('click', function(e) {
        $('#form-1').populate({
          name: 'Peter Pan',
          alive: "on"
        });
      });
    });
  </script>
</body>
</html>