javascript cookie
View Answers
August 17, 2009 at 4:59 PM
Hi Friend,
Try the following code to set the cookie and expire the cookie:
<html>
<head>
<script type="text/javascript">
function getCookie(cookieName){
if (document.cookie.length>0) {
start=document.cookie.indexOf(cookieName + "=");
if (start!=-1) {
start=start + cookieName.length+1;
end=document.cookie.indexOf(";",start);
if (end==-1) end=document.cookie.length;
return unescape(document.cookie.substring(start,end));
}
}
return "";
}
function setCookie(cookieName,value,expiredays){
var expireDate=new Date();
expireDate.setDate(expireDate.getDate()+expiredays);
document.cookie=cookieName+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+expireDate.toGMTString());
}
function check(){
username=getCookie('username');
if (username!=null && username!="") {
alert('Welcome again '+username+'!');
}
else {
username=prompt('Enter your name:',"");
if (username!=null && username!="") {
setCookie('username',username,1);
}
}
}
</script>
</head>
<body onload="check()">
</body>
</html>
Thanks
Try the following code to set the cookie and expire the cookie:
<html>
<head>
<script type="text/javascript">
function getCookie(cookieName){
if (document.cookie.length>0) {
start=document.cookie.indexOf(cookieName + "=");
if (start!=-1) {
start=start + cookieName.length+1;
end=document.cookie.indexOf(";",start);
if (end==-1) end=document.cookie.length;
return unescape(document.cookie.substring(start,end));
}
}
return "";
}
function setCookie(cookieName,value,expiredays){
var expireDate=new Date();
expireDate.setDate(expireDate.getDate()+expiredays);
document.cookie=cookieName+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+expireDate.toGMTString());
}
function check(){
username=getCookie('username');
if (username!=null && username!="") {
alert('Welcome again '+username+'!');
}
else {
username=prompt('Enter your name:',"");
if (username!=null && username!="") {
setCookie('username',username,1);
}
}
}
</script>
</head>
<body onload="check()">
</body>
</html>
Thanks
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