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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<script type="text/javascript">
var int=setInterval(clock, 100)
function clock(){
var time=new Date();
document.getElementById("clock").value = time;
}
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
</form>
</body>
</html>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<script type="text/javascript">
var int=setInterval(clock, 100)
function clock(){
var time=new Date();
document.getElementById("clock").value = time;
}
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
</form>
</body>
</html>
JS定时程序，设定一个一直刷新，又时间间隔的js，读取当前的时间并显示
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原文地址：http://www.cnblogs.com/zhugexiaobei/p/5577503.html
