how to fully rewrite jquery 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: make ajax request post jquery

$.ajax({
  method: "POST",
  url: "some.php",
  data: { name: "John", location: "Boston" }
})