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一个关于ajax的初学者有关问题

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2016-06-13 11:28:55854browse

弱弱的问一个关于ajax的菜鸟问题

本帖最后由 lqj127 于 2013-07-07 21:23:33 编辑 是一本书上的,但是自己敲出来之后实现不了。这个程序是单击页面上的按钮然后页面弹出一个窗口,并更改按钮上的值。
14.7.php:


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



Insert title here
<script><br />var xmlhttp_request=false;<br />try{<br /> if(window.ActiveXObject){<br /> for(var i=5;i;i--){<br /> try{<br /> if(i==2){<br /> xmlhttp_request=new ActiveXObject("Micsoft.XMLHTTP");<br /> }else{<br /> xmlhttp_request=new ActiveXObject("Mscml2.XMLHTTP."+i+".0");<br /> xmlhttp_request.setRequestHeader("Content-Type","text/html");<br /> xmlhttp_request.setRequestHeader("Charset","gb2312");<br /> }<br /> break;<br /> }catch(e){<br /> xmlhttp_request=false;<br /> }<div class="clear"> </script>
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