比較完整地答案
<script type="text/javascript">
? setInterval(clock,1000);
? var attime;
? function clock(){
? ? var time=new Date();
? ? var hour = time.getHours()<10?"0"+time.getHours():time.getHours();
? ? var minute = time.getMinutes()<10?"0"+time.getMinutes():time.getMinutes();
? ? var second = time.getSeconds()<10?"0"+time.getSeconds():time.getSeconds();
? ? attime= hour+"時:"+minute+"分:"+second+"秒";
? ? document.getElementById("clock").value = attime;
? }
</script>
2018-12-25
明白了謝謝
2018-12-24
比如早上九點零五分，你可以寫成標準的09:05，保證都是兩位數
2018-12-23
?time.getHours()<10?"0"+time.getHours():time.getHours();
請問這小于10是什么意思啊
2018-12-21
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>定時器</title>
<script type="text/javascript">
? var attime;
? function clock(){
? ? var time=new Date();? ? ? ? ??
? ? attime=time.getHours()+":"+time.getMinutes()+":"+time.getSeconds();
? ? document.getElementById("clock").value = attime;
? }
?setInterval(clock,1000);?
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50"? style="background:#000;color:#00ff00;width:50px"; />
</form>
</body>
</html>