Как сделать mmc.getChildByName("mcf").getChildByName("mcs");

[nOobCrafter]

for (h1 = 1; h1 <= 6; h1 ++ ) { 
  var comp = mmc.getChildByName("mcf" + h1));
    for (h2 = 1; h2 <= 8; h2 ++ ) { 
      mcArr.push(comp.getChildByName("mcs" + h2));
    } 
}