<!DOCTYPE HTML>
<html>
<head>
<title>用js如何获取UA（user Agent）用户代理？</title>
<meta charset="utf-8">
</head>
<body>
<body onload="whatBrowser()">
<script>
function whatBrowser() {
document.Browser.Name.value=navigator.appName;
document.Browser.Version.value=navigator.appVersion;
document.Browser.Code.value=navigator.appCodeName;
document.Browser.Agent.value=navigator.userAgent;
}
</script>
<table>
<form name="Browser">
<tr>
<td> 浏览器名称: </td>
<td> <input type="txt" name="Name" size="110%"></td>
</tr>
<tr>
<td> 版本号:</td>
<td> <input type="txt" name="Version" size="110%"></td>
</tr>
<tr>
<td> 代码名称: </td>
<td> <input type="txt" name="Code" size="110%"></td>
</tr>
<tr>
<td> 用户代理标识:</td>
<td> <input type="txt" name="Agent" size="110%"></td>
</tr>
</form>
</table>
</body>
</html>
