Ajax

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n. ?? ??? "Asynchronous JavaScript and XML"(??? JavaScript ? XML)???. ; Ajax ??-??-? ??? ??, Yajis ???

errors

n. ??(??? ?? ??);

??? ajaxError() ??? ???

Function: ajaxError() ???? AJAX ??? ??? ??? ? ??? ?????. ??? ??????.

??: ??.ajaxError(function(event,xhr,options,exc))

????:

ParametersDescription
function(event,xhr, ????) ?????. ??? ??? ? ??? ??? ?????. ?? ????: event - ??? ??? ?????. xhr - XMLHttpRequest ??? ?????. options - AJAX ??? ???? ??? ?????. ex - JavaScript ??? ?????.

??: XMLHttpRequest ?? ? ??? ?? ??? ?? ??? ?????. ??? ??? ??? ????? ??? ? ????: function (event, XMLHttpRequest, ajaxOptions, throwError) {// ThrowError? ??? ??? ?? ?????.}

??? ajaxError() ??? ?

<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  $("div").ajaxError(function(){
    alert("發(fā)生錯誤！");
  });
  $("button").click(function(){
    $("h2").text("文本已經改變");
  });
});
</script>
</head>

<body>
<div id="txt"><h2>通過 AJAX 改變文本</h2></div>
<button>改變內容</button>
</body>
</html>
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