Question

I am still new to JavaScript. I need to code a 20 x 20 matrix pair of functions. All my functions take in a number in and return a number (i.e, same signature). For example, Myfunctions[1][2] should return me a pair of functions I could call in the code.

In Java, I would typically implement an array of 20 x 20 objects where each object would implement two functions. But, is this possible in JavaScript? If not, how should I proceed to get something similar? If I need two matrix to simulate the pair, this is OK too.

Answer 1

You cannot really have a matrix array structure in ECMAscript, but you can create Arrays of Arrays of course:

function o1() {};
function o2() {};
function o3() {};
function o4() {};
function o5() {};
function o6() {};

var Myfunctions = [
    [ o1, o2 ],
    [ o3, o4 ],
    [ o5, o6 ]
];

Now

Myfunctions[0][1]();

would execute function o2 in the above example.