34（数组对象小练习3-30选7彩票随机号码）.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			#aa{
				background: red;
				width: 300px;
				height: 200px;
				display: none;
			}
		</style>
		<script type="text/javascript">
//			3、30选7彩票随机号码
		</script>
	</head>
	<body>
		<div id="aa">
			
		</div>
	</body>
</html>