Set and Get Cookies Through Javascript

  • <html>
    <head>
    <script type="text/javascript">
    function getCookie(c_name)
    {
    if (document.cookie.length>0)
    {
    c_start=document.cookie.indexOf(c_name + "=");
    if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
    }
    return "";
    }

    function setCookie(c_name,value,expiredays)
    {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
    }

    function checkCookie()
    {
    username=getCookie('username');
    if (username!=null && username!="")
    {
    alert('Welcome again '+username+'!');
    }
    else
    {
    username=prompt('Please enter your name:',"");
    if (username!=null && username!="")
    {
    setCookie('username',username,365);
    }
    }
    }
    </script>
    </head>

    <body onload="checkCookie()">
    </body>
    </html>


    for further details and related topics http://www.codecorner.somee.com/

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