eloquent javascript exercises

exercise1.js

for (i = "#"; i.length <= 8; i += "#"){
  console.log(i);
};

exercise2.js

for (i = 0; i <= 100 ; i++){
	if ((i % 3 == 0 ) && (i % 5 == 0))
      console.log("FizzBuzz");
  	else if (i % 3 == 0)
      console.log("Fizz");
  	else if (i % 5 == 0)
      console.log("Buzz");
  	else
      console.log(i);
}

exercise3.js

var size = 8;
var board = "";

for (var one = 0; one < size; one ++){
	for (var two = 0; two < size; two ++){
    	if ((one + two) % 2 == 0)
          board += "#";
        else  
          board += " ";
    }
  	board += "\n";
}
console.log(board);

exercise4.js

function min(sum1,sum2){
	if (sum1 < sum2)
      return sum1;
  	else 
      return sum2;
}
console.log(min(0, 10));
// → 0
console.log(min(0, -10));
// → -10

exercise5.js

function isEven(N){
	if (N % 2 == 0)
      return true;
    else 
      return false;
};

console.log(isEven(7));

// the correct solution using recursion, even though mine works. 

function isEven(N){
	if (N == 0)
      return true;
  	else if (N == 1)
      return false;
  	else if (N < 0)
      return isEven(-N);
  	else 
      return isEven(N - 2);
};

exercise6.js

function countChar(string, ch) {
  var counted = 0;
  for (var i = 0; i < string.length; i++)
    if (string.charAt(i) == ch)
      counted += 1;
  return counted;
}

function countBs(string) {
  return countChar(string, "B");
}

console.log(countBs("BeerBrat"));
// → 2
console.log(countChar("wesley", "e"));
// → 4