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<script type="text/javascript">
function start(){
setInterval(function(){
var now = new Date();
var m = now.getMonth() + 1;
var d = now.getDate();
var str = \'\';
str += now.getYear() + 1900 + \'年\';
str += now.getMonth() + 1 + \'月\';
str += now.getDate() + \'日\';
str += now.getHours() + \'时\';
str += now.getMinutes() + \'分\';
str += now.getSeconds() + \'秒\';
if(now.getDay() >= 5){
str += \',今天是周末\';
}else if(m==1 && d==1)
str += \',今天是周末\';
else if(m==5 && d==1)
str += \',今天是劳动节\';
else if(m==10 && d==1)
str += \',今天是国庆节\';
else
str += \'，今天不是节假日\';
document.getElementById(\'left\').innerHTML = str;
},1000);
}
</script>
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<body style="text-align:center">
<p>
<input type="button" value="查看今天是否节假日" onclick="start();"/>
</p>
<h2 id="left"></h2>
</body>
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