topical media & game development
basic-javascript-appendix-11-ch11-q1.htm / htm
<HTML>
<HEAD>
<SCRIPT LANGUAGE=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,"",pageFirstVisited)
}
else
{
pageViewCount = Math.floor(pageViewCount) + 1;
}
setCookie("pageViewCount",pageViewCount,"",pageFirstVisited)
</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.