js日期

<script>

Date()方法获得当日的日期

<script type="text/javascript">

document.write(Date())

</script>

getTime()计算从1970年到今天有多少年

<script type="text/javascript">

var minutes=1000*60

var hours=minutes*60

var days=hours*24

var years=days*365

var d=new Date()

var t=d.getTime()

var y=t/years

document.write("it's been:"+y+"years since 1970/01/01!")

</script>

setFullYear()得到精准的日期

<script type="text/javascript>

var d=new Date()

d.setFullYear(1992,10,3)

document.write(d)

</script>

toUTCString()将当日的日期（根据UTC转换为字符串

<script type="text/javascript">

var d=new Date()

document.write(d.toUTCString())

</script>

getDay（）来显示星期，而不仅仅是数字

<script type="text/javascipt">

var d=new Date()

var weekday=new Array(7)

weekday[0]="星期日"

weekday[0]="星期一"

weekday[0]="星期二"

weekday[0]="星期三"

weekday[0]="星期四"

weekday[0]="星期五"

weekday[0]="星期六"

document.write("今天是"+weekday[d.getDay()])

</scripe>