高级 JavaScript 实例01

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<html>
<body>
<script type="text/javascript">
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
document.write("浏览器名称："+ browser)
document.write("<br />")
document.write("浏览器版本："+ version)
</script>
</body>
</html>

检测浏览器的更多信息

<html>
<body>
<script type="text/javascript">
document.write("<p>浏览器：")
document.write(navigator.appName + "</p>")

document.write("<p>浏览器版本：")
document.write(navigator.appVersion + "</p>")

document.write("<p>代码：")
document.write(navigator.appCodeName + "</p>")

document.write("<p>平台：")
document.write(navigator.platform + "</p>")

document.write("<p>Cookies 启用：")
document.write(navigator.cookieEnabled + "</p>")

document.write("<p>浏览器的用户代理报头：")
document.write(navigator.userAgent + "</p>")
</script>
</body>
</html>

检测浏览器的全部信息

<html>
<body>

<script type="text/javascript">
var x = navigator;
document.write("CodeName=" + x.appCodeName);
document.write("<br />");
document.write("MinorVersion=" + x.appMinorVersion);
document.write("<br />");
document.write("Name=" + x.appName);
document.write("<br />");
document.write("Version=" + x.appVersion);
document.write("<br />");
document.write("CookieEnabled=" + x.cookieEnabled);
document.write("<br />");
document.write("CPUClass=" + x.cpuClass);
document.write("<br />");
document.write("OnLine=" + x.onLine);
document.write("<br />");
document.write("Platform=" + x.platform);
document.write("<br />");
document.write("UA=" + x.userAgent);
document.write("<br />");
document.write("BrowserLanguage=" + x.browserLanguage);
document.write("<br />");
document.write("SystemLanguage=" + x.systemLanguage);
document.write("<br />");
document.write("UserLanguage=" + x.userLanguage);
</script>

</body>
</html>

根据浏览器类型提醒用户

<html>
<head>
<script type="text/javascript">
function detectBrowser()
{
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
if ((browser=="Netscape"||browser=="Microsoft Internet Explorer") && (version>=4))
  {alert("您的浏览器够先进了！")}
else
  {alert("是时候升级您的浏览器了！")}
}
</script>
</head>

<body onload="detectBrowser()">
</body>

</html>

转载于:https://my.oschina.net/u/2552902/blog/543938

高级 JavaScript 实例01

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