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Rambler's Top100
Rambler's Top100

JavaScript: ПримерыСчетчик посещений с использованием cookie

Счетчик посещений с использованием cookie


<html>
<head>
<script language="JavaScript">
// Boolean variable specified if alert 
// should be displayed if cookie exceeds 4KB
var caution = false


// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie 
//             (defaults to end of current session)
// [path] - path for which the cookie is valid 
//             (defaults to path of calling document)
// [domain] - domain for which the cookie is valid 
//            (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie 
//            transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
        var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")
        if (!caution || (name + "=" + escape(value)).length <= 4000)
                document.cookie = curCookie
        else
                if (confirm("Cookie exceeds 4KB and will be cut!"))
                        document.cookie = curCookie
}


// name - name of the desired cookie
// * return string containing value of specified 
//   cookie or null if cookie does not exist
function getCookie(name) {
        var prefix = name + "="
        var cookieStartIndex = document.cookie.indexOf(prefix)
        if (cookieStartIndex == -1)
                return null
        var cookieEndIndex = document.cookie.indexOf(";",
                        cookieStartIndex + prefix.length)
        if (cookieEndIndex == -1)
                cookieEndIndex = document.cookie.length
        return unescape(document.cookie.substring(
              cookieStartIndex + prefix.length, cookieEndIndex))
}


// name - name of the cookie
// [path] - path of the cookie 
//          (must be same as path used to create cookie)
// [domain] - domain of the cookie 
//          (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted 
//          if no explicit argument proceeds
function deleteCookie(name, path, domain) {
        if (getCookie(name)) {
                document.cookie = name + "=" + 
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT"
        }
}
</script>
</head>
<body>
<script language="JavaScript">
<!--
var now = new Date()
now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000)
var visits = getCookie("counter")
if (!visits)
        visits = 1
else
        visits = parseInt(visits) + 1
setCookie("counter", visits, now)
document.write("Вы были здесь " + visits + " раз(а).")
// -->
</script>
</body>
</html>

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Warning: mysql_db_query() [function.mysql-db-query]: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /pub/home/javaport/javaportal/books/show2b.php on line 19

Warning: mysql_db_query() [function.mysql-db-query]: A link to the server could not be established in /pub/home/javaport/javaportal/books/show2b.php on line 19

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /pub/home/javaport/javaportal/books/show2b.php on line 30
Узнай о чем ты на самом деле сейчас думаешь тут.


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Warning: mysql_db_query() [function.mysql-db-query]: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /pub/home/javaport/javaportal/news/worldnews.php on line 93

Warning: mysql_db_query() [function.mysql-db-query]: A link to the server could not be established in /pub/home/javaport/javaportal/news/worldnews.php on line 93

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /pub/home/javaport/javaportal/news/worldnews.php on line 95