编辑下面的代码:【加编码】
<html> <head> <script> function loadXMLDoc() { if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","xmlhttp_info.txt",true); xmlhttp.send(); } </script> </head> <body> <h2>Using the XMLHttpRequest object</h2> <div id="myDiv"></div> <button type="button" onclick="loadXMLDoc()">Change Content</button> </body> </html>
结果: 【此窗口】 帮助?
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