gistfile1.js

matrix = {
  digit: 1, 
  row: 3, 
  column: 4, 
  arrays: {
    cellAray: [0,0,0,1],
    rowArray: [0,0,1,0],
    columnArray: [0,0,0,1],
    blockArray: [0,0,0,1]
  }
}

for (array in matrix.arrays) { 
  console.log(array, matrix.arrays[array]); 
  this_array = matrix.arrays[array]; 
  this_array.forEach(function(value, index) { 
    console.log(index, value); 
  });
}