Array literal
var planets = new Array(
new Array('A', 'B', 'C'),
new Array('D', 'E', 'F')
);
for (var i = 0; i < planets.length; i++)
{
for (var j = 0; j < planets[i].length; j++)
{
document.write('planets[' + i + '][' + j + '] = ' + planets[i][j]);
document.write('
');
}
}