matriz dentro de la matriz JavaScript
var pets = new Array ( );
pets[0] = new Array ( "Sheba", 13, "cat" );
pets[1] = new Array ( "Jasper", 12, "dog" );
Selfish Skimmer
var pets = new Array ( );
pets[0] = new Array ( "Sheba", 13, "cat" );
pets[1] = new Array ( "Jasper", 12, "dog" );
var arr = { "alphabets": new Array("a","b"), "numbers": new Array(1,2) };
alert(arr["alphabets"]);
alert(arr["numbers"]);