这样正确吗
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>定时器</title>
<script type="text/javascript">
var attime
function clock(){
var time=new Date();
attime=
time.getHours()+"时"+
time.getMinutes()+"分"+
time.getSeconds()+"秒"
document.getElementById("clock").value = attime;
}
setInterval(clock,1000)
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
</form>
</body>
</html>