Javascript Array d2(rows,columns,fn)

Array.prototype.d2 = function(rows,columns,fn) {
 var result = new Array(rows);
 for(var r=0;r<rows;r++) {
  result[r] = new Array(columns);
  for(c=0;c<columns;c++) {
   result[r][c] = fn(r,c);/*from   w w w . j  a  v a  2  s .  c  o m*/
  }
 }
 return result;
};

function createMatrix(rows,columns){
 var matrix = new Array(rows);
 var m = 0;
 for(var r=0;r<rows;r++) {
  matrix[r] = new Array(columns);
  for(var c=0;c<columns;c++) {
   matrix[r][c] = m%2;
   m++;
  }
 }
 return matrix;
}

createMatrix(10,10).forEach(function(v){aptana.log(v);});
aptana.log("  ");
[].d2(10,10,function(r,c){return c%2;}).forEach(function(v){aptana.log(v);});