Jquery ajax basic

$.ajax({
url: "test.aspx?action=testaction",
contentType: "application/json; charset=utf-8",
dataType: 'json',
type: 'GET',
data: JSON.stringify({name:''}),
error: function (data, status, e) {
$("#loadingDialog").dialog('close');
alert(e);
},
success: function (data) {
// data is json
$("#loadingDialog").dialog('close');
showResult(data);
},
});