[code]

$.ajax({
    type: 'post',
    dataType: 'json',
    url: '/ajax.php',
    data: {val1:'변수1', val2:'변수2'},
    success: function (data) {
        console.log(data);
    },
    error: function (request, status, error) {
        console.log('code: '+request.status+"\n"+'message: '+request.responseText+"\n"+'error: '+error);
    }
});

[/code]