Ajax

English [?e?e?d??ks] US [?e?d??ks]

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

English [???] US [s?nd]

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ajax axSend() ?? ???

??: ajaxSend() ???? AJAX ??? ??? ? ??? ?????. ??? ??????.

??: ??.ajaxSend([function(event,xhr,options)])

????:

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

??: XMLHttpRequest ?? ? ??? ?? ??? ?? ??? ?????.

ajax axSend() ?? ?

<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").ajaxSend(function(e,xhr,opt){
    $(this).html("正在請(qǐng)求:" + opt.url);
  });
  $("button").click(function(){
    $("h2").text("文本已經(jīng)改變");
        alert("請(qǐng)求成功");
  });
});
</script>
</head>
<body>
<div id="txt"><h2>通過 AJAX 改變文本</h2></div>
<button>改變內(nèi)容</button>
</body>
</html>
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