为什么没有输出呢
<!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(); //先声明一维
for(var i=0,i<3,i++){
myarr[i]=new Array();
for(var j=0,j<6,j++){
myarr[i][j]=i*j;
document.write(myarr[i][j]);
}
}
</script>
</head>
<body>
</body>
</html>
