为什么不能输出二维数组
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>二维数组</title>
<script type="text/javascript">
var myarr=new Array();
for(var i=0;i<3;i++)
{
var myarr[i]=new Array();
for(var j=0;j<6;j++)
{
myarr[i][j]=i*j;
document.write(myarr[i][j]);
}
document.write("\n");
}
</script>
</head>
<body>
</body>
</html>
