write a data back to ajax code example

Example 1: how to set json type jquery ajax

$.ajax({
    type: "POST",
    contentType: "application/json",
    url: 'http://localhost:16329/Hello',
    data: { name: 'norm' },
    dataType: "json"
});

Example 2: jquery ajax post

$.ajax({
  type: "POST",
  url: url,
  data: data,
  success: success,
  dataType: dataType
});