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JavaScript

// declare array of 3 dimensions
var arrOfArr = [[], [], []];

// Populate the array
// first array
arrOfArr[0][0] = "00";
arrOfArr[0][1] = "01";
arrOfArr[0][2] = "02";

// second array
arrOfArr[1][0] = "10";
arrOfArr[1][1] = "11";
arrOfArr[1][2] = "12";

// third array
arrOfArr[2][0] = "20";
arrOfArr[2][1] = "21";
arrOfArr[2][2] = "22";

alert(arrOfArr);