Sample code to determine if the client browser supports cookies _javascript tips

1.

Copy Code code as follows:

function Check () {
if (window.navigator.cookieEnabled)
return true;
else{
Alert ("Browser configuration error, cookies not available!") ");
return false;}
}

2.

Copy Code code as follows:

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, one 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)//Fetch cookies functions
{
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 ();
}

3.

Copy Code code as follows:

var cookieenabled= (navigator.cookieenabled)? true:false 
// Determine if the cookie is open   

//If the browser 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  
}