My Sample jQuery

var GetData;
var serviceURL = "http://my_server.com/";

function LoadAjax(){
    $.ajax({
                type : 'GET',
                url : serviceURL + 'DataReadNP.php',
                async: true,
                beforeSend: function(x) {
                    if(x && x.overrideMimeType) {
                         x.overrideMimeType("application/j-son;charset=UTF-8");
                    }
                },
                dataType : 'json',
                success : function(data){
                    GetData = data.items;
                    $.each(GetData, function(index, MyData) {
                        $('#dataList').append(
                        '<li><a href="detail.html?id=' + MyData.id + '">' +
                        '<h4>'+ MyData.topic+'</h4>' +
                        '<img src="'+MyData.img+'"/>' +
                        '<p>' + MyData.detail+ '</p>' +
                    });
                        $('#dataList').listview('refresh');
                },
                error : function(){
                    alert('Your Connection Is Trouble')
            }
        });
}