<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>数组</title>
<script type="text/javascript">
//创建数组
var myarry=["*","##","***","&&","****","##"];
myarr[7]="**";
//显示数组长度
alert("数组的长度"+myarry.length);
//将数组内容输出，完成达到的效果。
document.write(myarry[0]);
document.write(myarry[7]);
document.write(myarry[2]);
document.write(myarry[4]);
</script>
</head>
<body>
</body>
</html>
一点反应都没有，不知道哪错了
2016-03-08
<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>数组</title>
<script type="text/javascript">
//创建数组
var myarry=["*","##","***","&&","****","##"];
myarry[7]="**";
//显示数组长度
alert("数组的长度"+myarry.length);
//将数组内容输出，完成达到的效果。
document.write(myarry[0]+'<br>');
document.write(myarry[7]+'<br>');
document.write(myarry[2]+'<br>');
document.write(myarry[4]);
</script>
</head>
<body>
</body>
</html>
------------------
myarr[7]="**";//写错了
myarry[7]="**";
举报
