文献种类：专题技术
开发工具与关键技术： Dw与js
作者：吴新洋
<body>
<p id="demo">放假v/s不放假</p>
<button onclick="myFunction()">今天</button>
</body>
<script>
function myFunction()
{
var day="";
var time=new Date().getDay();
if (time<6)
{
day="好好学习 天天向上";
}
else
{
day = "let’s play computer game";
}
document.getElementById("demo").innerHTML=day;
}
</script>
2.Do while
var time = new Date()
do
{
document.write(""+time.getHours())
if(19.5<time<21.5){
document.write("<br />")
document.write("还没放学快敲代码")
}else{
document.write("自由时间")
}
}
while ( time<23)
3获取当前时间：
<script type="text/javascript">
var time = new Date()
var hello=new Date().getMonth()
document.write("现在是北京时间：")
document.write(time.getFullYear())
document.write("年")
document.write(hello+1)
document.write("月")
document.write(time.getDate())
document.write("日")
document.write(time.getHours())
document.write("时")
document.write(time.getMinutes())
document.write("分")
document.write(time.getSeconds())
document.write("秒")
</script>