不使用XMLHttpRequest实现异步加载:Iframe和script

运用Iframe和script可以实现简单的异步加载:

 调用页面如下:

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <title></title>

    <script type="text/javascript" src="Scripts/jquery-1.4.1.js"></script>

    <script id="javascriptq" type="text/javascript"></script>

</head>

<body>

<input type="button" onclick="MoniAjax1();" id="btn" value="iframe" />

<input type="button" onclick="MoniAjax2();" id="script" value="script" />

<iframe id="iframe1" src=""></iframe>

<div id="result"></div>

</body>

</html>

<script type="text/javascript">

    function MoniAjax1() {

        $("#iframe1").attr("src", "iframeD.htm");

    }

    

    function MoniAjax2() {

        $("#javascriptq").attr("src", "Scripts/scriptD.js");

    }

</script>
iframeD.htm:是字符串就可以了
iframeD.htm
scriptD.js:是可以运行的js代码
$("#result").html("Scripts/scriptD.js");

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