w3school在线测试工具 v1.2

（请在下面的文本框中编辑您的代码，然后单击此按钮测试结果。）

编辑您的代码：

<html>
<head>
<script type="text/javascript">
function showCustomer(str)
{
var xmlhttp;    
if (str=="")
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  }
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("txtHint").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","/ajax/getcustomer.asp?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body>

<form action="" style="margin-top:15px;"> 
<label>请选择一位客户：
<select name="customers" onchange="showCustomer(this.value)" style="font-family:Verdana, Arial, Helvetica, sans-serif;">
<option value="APPLE">Apple Computer, Inc.</option>
<option value="BAIDU ">BAIDU, Inc</option>
<option value="Canon">Canon USA, Inc.</option>
<option value="Google">Google, Inc.</option>
<option value="Nokia">Nokia Corporation</option>
<option value="SONY">Sony Corporation of America</option>
</select>
</label>
</form>
<script type="text/javascript" src="https://uisvr.chiefleo.com/js/jQuery/jquery-1.6.1.min.js"></script>
<script type="text/javascript">window.jQuery || document.write('<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js">\x3C/script>')</script>
<script type="text/javascript">
function runTest() {
 obj = document.getElementById("c");
 if(jQuery.trim(obj.value)==""){
	 alert("请输入要运行的代码内容");
	 return false;
 }

if($.browser.msie || $.browser.opera){
	 var winname = document.frames.testFrame;
	 winname.document.open('text/html', 'replace');
	 winname.document.writeln(obj.value);
	 winname.document.close();
	}else{
		var winname = document.getElementById("testFrame").contentWindow;
		
		winname.document.designMode = 'On';
		winname.document.contentEditable = true;
		
		winname.document.open();
		winname.document.writeln(obj.value);
		if($.browser.mozilla){
			winname.location.reload();
		}
		winname.document.close();  
	}
}

runTest();
</script>
</div>

</body>
</html>

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编辑您的代码：

查看结果:

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