1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 function Find(target, array){ var rowCount = array.length - 1, i, j; for(i=rowCount,j=0; i >= 0 && j < array[i].length;){ if(target == array[i][j]){ return true; }else if(target > array[i][j]){ j++; continue; }else if(target < array[i][j]){ i--; continue; } } return false; } return false; }