动态获取时间（刷新时间为1秒）
<html >
<head>
<title>Htmltest</title>
</head>
<body>
<div id="div1"> <div/>
<script type="text/javascript">
function Time()
{
var div=document.getElementById("div1");
var d=new Date();
var date=d.toLocaleString();
div.innerHTML=date;
}
setInterval("Time();",1000);
</script>
</body>
</html>
动态生成表格
<html >
<head>
<title>Htmltest</title>
</head>
<body>
行:<input type="text" id="h"/><br/>
列:<input type="text" id="li"/><br/>
<input type="button" value="生产表格" onclick="fun();"/>
<div id="divv">
</div>
<script type="text/javascript">
function fun()
{
var table="<table border='1' bordercolor='blue'>";
var h=document.getElementById("h").value;
var l=document.getElementById("li").value;
for(var i=1;i<=h;i++)
{
table+="<tr>";
for(var m=1;m<=l;m++)
{
table+="<td>bbb</td>";
}
table+="</tr>";
}
table+="</table>";
alert(table);
var divs=document.getElementById("divv");
divs.innerHTML=table;
}
</script>
</body>
</html>