try_dom_xmlhttprequest_first 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>w3cschool在线教程(w3cschool.cn)</title>
<script>
function loadXMLDoc()
{
  if (window.XMLHttpRequest)
  {
    // IE7+, Firefox, Chrome, Opera, Safari 浏览器执行代码
    xmlhttp=new XMLHttpRequest();
  }
  else
  {
    // IE6, IE5 浏览器执行代码
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  xmlhttp.onreadystatechange=function()
  {
    if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
      document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
    }
  }
  xmlhttp.open("GET","/statics/demosource/xmlhttp_info.txt",true);
  xmlhttp.send();
}
</script>
</head>
<body>
<h2>使用 XMLHttpRequest 对象</h2>
<div id="myDiv"></div>
<button type="button" onclick="loadXMLDoc()">修改内容</button>
 
 
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运行结果
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