代码如下：

复制代码 代码如下:

<script language="JavaScript">

<!-- Begin

var today = new Date();

var now = today.getDate();

var year = today.getYear();

if (year < 2000) year += 1900; // Y2K fix

var month = today.getMonth();

var monarr = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

// check for leap year

if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) monarr[1] = "29";

// display day left

document.write("这个月还剩 " + (monarr[month]-now) + " 天了");

// End -->

</script>