方法一：
<html>
<head>
<script>
function yeart(){
var now=new Date();
var year=now.getFullYear();
var ss=year-2008;//设定2008为初始年份
var ssc=ss%12;
var ssyear=new Array("子鼠","丑牛","寅虎","卯兔","辰龙","巳蛇","午马","未羊","申猴","酉鸡","戌狗","亥猪");
document.write(year+"年\n"+ssyear[ssc]);
}
</script>
</head>
<body onLoad="yeart()">
</body>
</html>
方法二：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="keywords" content="站长,网页特效,js特效,广告代码,zzjs,zzjs.net,sky,www.zzjs.net,站长特效 网" />
<meta name="description" content="www.zzjs.net,站长特效网，站长必备js特效及广告代码。大量高质量js特效，提供高质量广告代码下载,尽在站长特效网" />
<title>输入你的出生年份,可以自动算出你的属相，sky整理收集，站长特效欢迎您。</title>
</head>
<body bgcolor=#FFFFFF >
<a href="<#ZC_BLOG_HOST#>">站长特效网</a>,站长必备的高质量网页特效和广告代码。zzjs.net，站长js特效。<hr>
<!--欢迎来到站长特效网，我们网站收集大量高质量js特效，提供许多广告代码下载，网址：www.zzjs.net，zzjs@msn.com,用.net打造靓站-->
<SCRIPT language=JavaScript>
<!--
function getpet () {
var toyear = 1997;
var birthyear = document.frm.inyear.value;
var birthpet="Ox"
x = (toyear - birthyear) % 12
if ((x == 1) || (x == -11)) {
birthpet="您属老鼠" }
else {
if (x == 0) {
birthpet="您属牛" }
else {
if ((x == 11) || (x == -1)) {
birthpet="您属老虎" }
else {
if ((x == 10) || (x == -2)) {
birthpet="您属兔子" }
else {
if ((x == 9) || (x == -3)) {
birthpet="您属龙" }
else {
if ((x == 8) || (x == -4)) {
birthpet="您属蛇" }
else {
if ((x == 7) || (x == -5)) {
birthpet="您属马" }
else {
if ((x == 6) || (x == -6)) {
birthpet="您属羊" }
else {
if ((x == 5) || (x == -7)) {
birthpet="您属猴" }
else {
if ((x == 4) || (x == -8)) {
birthpet="您属鸡" }
else {
if ((x == 3) || (x == -9)) {
birthpet="您属狗" }
else {
if ((x == 2) || (x == -10)) {
birthpet="您属猪" }
}
}
}
}
}
}
}
}
}
}
}
document.frm.birth.value = birthpet;
}
</SCRIPT>
<FORM name=frm>
出生年份：<INPUT name=inyear size=4 value=1986> <BR><INPUT onclick=getpet() type=button value=看看属什么><INPUT name=birth size=9></FORM>
</body>
</html>
方法三：（大概的计算方法）
（年份+9）%12 = 1 ：鼠
= 2 ：牛
= 3 ：虎