tryajax_callback 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">
<script>
var xmlhttp;
function loadXMLDoc(url,cfunc)
{
if (window.XMLHttpRequest)
  {// IE7+, Firefox, Chrome, Opera, Safari 代码
  xmlhttp=new XMLHttpRequest();
  }
else
  {// IE6, IE5 代码
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=cfunc;
xmlhttp.open("GET",url,true);
xmlhttp.send();
}
function myFunction()
{
loadXMLDoc("/statics/demosource/ajax_info.txt",function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
    }
  });
}
</script>
</head>
<body>
<div id="myDiv"><h2>使用 AJAX 修改文本内容</h2></div>
<button type="button" onclick="myFunction()">修改内容</button>
 
 
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运行结果
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