不懂這一節(jié)
<!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();
????setInterval(clock,100);
????document.getElementById("clock").value?=?attime;
??}
??
</script>
</head>
<body>
<form>
<input?type="text"?id="clock"?size="50"??/>
</form>
</body>
</html>這一節(jié)的結(jié)果是什么
2016-05-05
<!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,100);
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="20" ?onclick="clock()"/>
</form>
</body>
</html>
2016-05-05
在clock函數(shù)之后應(yīng)該加上 計時器 setInterval(clock,1000);
2016-05-05
要把setInterval(clock,100); ?放到? function clock()方法外面??！