javascript checks whether the browser has enabled XX function_javascript skills

Check whether the browser supports cookie function

<script>
if(navigator.cookieEnabled)
{
document.write("你的浏览器支持cookie功能！");
}
else{
document.write("你的浏览器不支持cookie!");
}
</script>

Check whether the browser has Java support enabled

<script type="text/javascript">
document.write("navigator对象的方法"+"<br>");
if(navigator.javaEnabled())
{
document.write("浏览器支持并启用了Java的方法！"); //提示用户支持Java方法
}
else
{
document.write("浏览器不支持或没有启用Java的方法！"); //提示用户不支持Java方法
}
</script>

Current browser information

<script type="text/javascript">
with(document)
{
write("你的浏览器信息：<ol>");
write("<li>代码:"+navigator.appCodeName);
write("<li>名称："+navigator.appName);
write("<li>版本："+navigator.appVersion);
write("<li>语言："+navigator.language);
write("<li>编译平台："+navigator.platform);
write("<li>用户表头："+navigator.userAgent);
}
</script>

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