Ajax

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

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

English [stɑ:t] US [stɑ:rt]

n.Start ???

vt.& vi; .??, ??

vt.??, ??

vi.??? ????;

ajax ajaxStart() ?? ???

Function: ajaxStart() ???? AJAX ??? ???? ?? ??? ?????. ??? ??????.

??: ??.ajaxStart(function())

??: Ajax ??? ??? ??? jQuery? ?? Ajax ??? ??? ?????. ???? ?? ?? jQuery? ajaxStart ???? ??????. ? ???? .ajaxStart() ???? ?? ??? ?? ??? ?????.

Parameters:

Parameter Description
function()AJAX ??? ??? ? ??? ??? ?????.

ajax ajaxStart() ?? ?

<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").ajaxStart(function(){
    $(this).html("<img src='http://img.php.cn/upload/article/000/005/656/5af270fd37755429.jpg' />");
  });
  $("button").click(function(){
    alert("函數(shù)已執(zhí)行");
  });
});
</script>
</head>

<body>

<div id="txt"><h2>通過(guò) AJAX 改變文本</h2></div>
<button>改變內(nèi)容</button>
</body>
</html>
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