1.
function check(){
if(window.navigator.cookieEnabled)
return true;
else{
alert(\"浏览器配置错误,Cookie不可用!\");
return false;}
}
2.
SetCookie(\'cookie_test\',\'1\');
var cookie_test = getCookie(\'cookie_test\');
if( \'1\' != cookie_test)
{
alert(\'不支持\');
}else
{
alert(\'支持\');
}
function SetCookie(name,value)//两个参数,一个是cookie的名子,一个是值
{
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date(\"December 31, 9998\");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + \"=\"+ escape (value) + \";expires=\" + exp.toGMTString();
}
function getCookie(name)//取cookies函数
{
var arr = document.cookie.match(new RegExp(\"(^| )\"+name+\"=([^;]*)(;|$)\"));
if(arr != null) return unescape(arr[2]); return null;
}
function delCookie(name)//删除cookie
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + \"=\"+cval+\";expires=\"+exp.toGMTString();
}
3.
var cookieEnabled=(navigator.cookieEnabled)? true : false
//判断cookie是否开启
//如果浏览器不是ie4+或ns6+
if (typeof navigator.cookieEnabled==\"undefined\" && !cookieEnabled){
document.cookie=\"testcookie\"
cookieEnabled=(document.cookie==\"testcookie\")? true : false
document.cookie=\"\" //erase dummy value
}
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