JS定时器 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>定时器</title>
<script type="text/javascript">
    function fun()
    {
            setInterval("fun1()",1000);
    }
    function fun1()
    {
        var d=new Date();    
        document.getElementById("a").innerHTML=d;
    }

</script>


</head>
<form>    
    <input type="button" value="运行"  onclick="fun()"/>
    <span id="a"></span>
</form>
<body>
</body>
</html>

 

posted @ 2015-08-17 10:30  微软小菜鸟  阅读(266)  评论(0)    收藏  举报