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JavaScript实现的简单的点名代码

2012-11-24 14:37 435 查看
<!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>随机点名</title>

</head>

<script>

var arr = new Array("小王","小二","小张","小六","小松");

var r = Math.round(Math.random()*(arr.length-1));

document.write("今天值日的是:"+arr[r]);

</script>

<body>

</body>

</html>
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