实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<html><!DOCTYPE html>
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<html>
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<head>
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<script>
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function loadXMLDoc()
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{
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var xmlhttp;
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if (window.XMLHttpRequest)
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  {// code for IE7+, Firefox, Chrome, Opera, Safari
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  xmlhttp=new XMLHttpRequest();
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  }
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else
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  {// code for IE6, IE5
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  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
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  }
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xmlhttp.onreadystatechange=function()
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  {
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  if (xmlhttp.readyState==4 && xmlhttp.status==200)
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    {
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    document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
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    }
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  }
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xmlhttp.open("POST","/static/example/demo_post2.php",true);
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xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
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xmlhttp.send("fname=Henry&lname=Ford");
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}
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</script>
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</head>
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<body>
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​
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<h2>AJAX</h2>
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<button type="button" onclick="loadXMLDoc()">Request data</button>
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<div id="myDiv"></div>
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</body>
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</html>
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