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Что такое cookies и как с ними работать.docx
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Счетчик посещений с использованием cookie Вы были здесь 1 раз(а).

<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>