?? cookiesexample.htm
字號:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Cookies Example</title>
<script type="text/javascript">
function setCookie(sName, sValue, oExpires, sPath, sDomain, bSecure) {
var sCookie = sName + "=" + encodeURIComponent(sValue);
if (oExpires) {
sCookie += "; expires=" + oExpires.toGMTString();
}
if (sPath) {
sCookie += "; path=" + sPath;
}
if (sDomain) {
sCookie += "; domain=" + sDomain;
}
if (bSecure) {
sCookie += "; secure";
}
document.cookie = sCookie;
}
function getCookie(sName) {
var sRE = "(?:; )?" + sName + "=([^;]*);?";
var oRE = new RegExp(sRE);
if (oRE.test(document.cookie)) {
return decodeURIComponent(RegExp["$1"]);
} else {
return null;
}
}
function deleteCookie(sName, sPath, sDomain) {
var sCookie = sName + "=; expires=" + (new Date(0)).toGMTString();
if (sPath) {
sCookie += "; path=" + sPath;
}
if (sDomain) {
sCookie += "; domain=" + sDomain;
}
document.cookie = sCookie;
}
</script>
</head>
<body>
<script type="text/javascript">
alert("Setting cookies...");
setCookie("name", "Nicholas");
setCookie("book", "Professional JavaScript");
alert("The value of cookie 'name' is " + getCookie("name"));
alert("The value of cookie 'book' is " + getCookie("book"));
alert("Deleting cookies...");
deleteCookie("name");
deleteCookie("book");
alert("The value of cookie 'name' is " + getCookie("name"));
alert("The value of cookie 'book' is " + getCookie("book"));
</script>
</body>
</html>
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