Sample code to determine whether the customer's browser supports cookies_javascript skills

function check(){
if( window.navigator.cookieEnabled)
return true;
else{
alert("Browser configuration error, Cookie is not available!");
return false;}
}

SetCookie('cookie_test' ,'1');
var cookie_test = getCookie('cookie_test');
if( '1' != cookie_test)
{
alert('not supported');
} else
{
alert('support');
}

function SetCookie(name,value)//Two parameters, one is the name of the cookie and the other is the value
{
var Days = 30; //This cookie will be saved for 30 days
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)//Get cookies function     
{  
  var arr = document.cookie.match(new RegExp("(^| )" name "=([^;]*)(;|$)" ));
if(arr != null) return unescape(arr[2]); return null;

}
function delCookie(name)//Delete cookie
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name "=" cval ";expires=" exp.toGMTString();
}

var cookieEnabled=(navigator.cookieEnabled)? true : false
//Determine whether cookies are turned on

//If browsing The server is not ie4 or ns6
if (typeof navigator.cookieEnabled=="undefined" && !cookieEnabled){
document.cookie="testcookie"
cookieEnabled=(document.cookie=="testcookie")? true : false
document.cookie="" //erase dummy value
}