topical media & game development
basic-javascript-11-ch11-q1.htm / htm
<html>
<head>
<script language="JavaScript" type="text/javascript">
function getCookieValue(cookieName)
{
var cookieValue = document.cookie;
var cookieStartsAt = cookieValue.indexOf(" " + cookieName + "=");
if (cookieStartsAt == -1)
{
cookieStartsAt = cookieValue.indexOf(cookieName + "=");
}
if (cookieStartsAt == -1)
{
cookieValue = null;
}
else
{
cookieStartsAt = cookieValue.indexOf("=", cookieStartsAt) + 1;
var cookieEndsAt = cookieValue.indexOf(";", cookieStartsAt);
if (cookieEndsAt == -1)
{
cookieEndsAt = cookieValue.length;
}
cookieValue = unescape(cookieValue.substring(cookieStartsAt,
cookieEndsAt));
}
return cookieValue;
}
function setCookie(cookieName,cookieValue, cookiePath, cookieExpires)
{
cookieValue = escape(cookieValue);
if (cookieExpires == "")
{
var nowDate = new Date();
nowDate.setMonth(nowDate.getMonth() + 6);
cookieExpires = nowDate.toGMTString();
}
if (cookiePath != "")
{
cookiePath = ";Path=" + cookiePath;
}
document.cookie = cookieName + "=" + cookieValue + ";Expires=" +
cookieExpires + cookiePath;
}
var pageViewCount = getCookieValue("pageViewCount");
var pageFirstVisited = getCookieValue("pageFirstVisited");
if (pageViewCount == null)
{
pageViewCount = 1;
pageFirstVisited = new Date();
pageFirstVisited.setMonth(pageFirstVisited.getMonth());
pageFirstVisited = pageFirstVisited.toGMTString();
setCookie("pageFirstVisited",pageFirstVisited,"","")
}
else
{
pageViewCount = Math.floor(pageViewCount) + 1;
}
setCookie("pageViewCount",pageViewCount,"","")
</script>
</head>
<body>
<script>
var pageHTML = "You've visited this page " + pageViewCount;
pageHTML = pageHTML + " times since " + pageFirstVisited;
document.write(pageHTML);
</script>
</body>
</html>
(C) Æliens
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.