JS Cookie hinzufügen, Cookie-Wert abrufen, Cookie löschen, detaillierte Beispiele_Javascript-Kenntnisse

Funktion setCookie(name,value)
{ 
var Tage = 30;
        var exp = new Date();  
          exp.setTime(exp.getTime() Days*24*60*60*1000); document.cookie = name "=" escape (value) ";expires=" exp.toGMTString();
        var strsec = getsec(time);  
        var exp = new Date();  
          exp.setTime(exp.getTime() strsec*1); document.cookie = name "=" escape (value) ";expires=" exp.toGMTString();
}  
//Cookies lesen
Funktion getCookie(name)
{ 
var arr,reg=new RegExp("(^| )" name "=([^;]*)(;|$)"); If(arr=document.cookie.match(reg))
Return (unescape(arr[2]));
            sonst  
                  null zurückgeben;                             }  
//Cookies löschen
Funktion delCookie(name)
{ 
        var exp = new Date();  
          exp.setTime(exp.getTime() - 1);         var cval=getCookie(name);  
If(cval!=null)
                 document.cookie= name "=" cval ";expires=" exp.toGMTString(
}