实例 jQuery 发出带有错误处理的 AJAX 请求

x
 
<!DOCTYPE html>
<html>
<head>
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    $.ajax({url: "wrongfile.txt", error: function(xhr){
      alert("An error occured: " + xhr.status + " " + xhr.statusText);
    }});
  });
});
</script>
</head>
<body>
<p>Artists</p>
<div></div>
<button>Get CD info</button>
</body>
</html>
                    

输出结果