二维数组不能显示
<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( i=0;i<4;i++){
myarr[i]=new Array();
for( j=0;j<7;j++){
myarr[i][j]=i*j;
}
}
document.write("二位数组的值为"+myarr[i][j]);
</script>
</head>
<body>
</body>
</html>
