<!DOCTYPE html>
<html>
<head>
<title>Ajax</title>
</head>
<body>
<div id = "new"></div>
<script type="text/javascript" src = "scripts/addLoadEvent.js"></script>
<script type="text/javascript" src = "scripts/getHTTPObject.js"></script>
<script type="text/javascript" src = "scripts/getNewContent.js"></script>
</body>
</html>
这是书上关于ajax的一个例子,用ctrl+o在chrome浏览器成功运行,关于最后一个getNewContent
函数,我想问request.send(null)
为什么写在后面???
阿波罗的战车
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