// Create an array object with three arrays as its elements
var nested_list = [[2, 4, 6],
[1, 3, 5],
[10, 20, 30]
];
// Display the elements of nested_list
for (var row = 0; row <= 2; row++) {
document.write("Row ", row, ": ");
for (var col = 0; col <=2; col++)
document.write(nested_list[row][col], " ");
document.write("<BR>");
}