the code is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Ajaxjson</title>
    <script type="text/javascript" src="jquery-3.3.1.js"></script>
</head>
<body>
    <button id="btn">ajax</button>
    <script type="text/javascript">
        $("-sharpbtn").click(function() {
            $.ajax({
               type : "get",
               async: false,
               url : "http://yunxtec.com/test/adlist.json",
               dataType: "jsonp",
               jsonp:"callback",
               success : function(data) {
                       alert(data[0][1]);
               },
               error : function(r) {
                       alert("fail");
               }
           });
        })
    </script>
</body>
</html> Screenshot of error message is as follows: 
 
GET200 
 
could you tell me what went wrong? Ask for advice
