EloquentJS_SE0201.js

/* 
  My answer for exercise 'Looping a triangle'
  in Eloquent JavaScript Second Edition
  Chapter 2 Program Structure 
*/
var note = '';
for (var i = 0; i < 7; i++) {
  console.log(note += '#');
}

EloquentJS_SE0202.js

/* 
  My answer for exercise 'FizzBuzz'
  in Eloquent JavaScript Second Edition
  Chapter 2 Program Structure 
*/
for (var i = 0; i < 100; i++) {
  var number = i + 1;
  var result = "";
  if (number % 3 == 0) {
    result = "Fizz";
  }
  if (number % 5 == 0) {
  	result += "Buzz";
  } 
  if (!result) {
  	result = i + 1;
  }
  console.log(result);
}

EloquentJS_SE0203.js

/* 
  My answer for exercise 'Chess board'
  in Eloquent JavaScript Second Edition
  Chapter 2 Program Structure 
*/
var size = 8;
for (var i = 0; i < size; i++) {
  var line = "";
  for (var j = 0; j < size; j++) {
    var total = i + j;
  	if (total % 2 == 0) { 
  	  line += '#';
    } else {
      line += ' ';
    }
  }
  console.log(line);
}

EloquentJS_SE0301.js

/* 
  My answer for exercise 'Minimum'
  in Eloquent JavaScript Second Edition
  Chapter 3 Functions 
*/
// Your code here.
function min(first, second) {
  if (first < second) {
    return first;
  }
  return second;
}

console.log(min(0, 10));
// → 0
console.log(min(0, -10));
// → -10

EloquentJS_SE0302.js

/* 
  My answer for exercise 'Recursion'
  in Eloquent JavaScript Second Edition
  Chapter 3 Functions 
*/
// Your code here.
function isEven(number) {
  var whole_number = Math.abs(parseInt(number, 10));
  if (whole_number === 0) {
    return true;
  }
  if (whole_number === 1) {
    return false;
  }
  return isEven(whole_number - 2);
}

console.log(isEven(50));
// → true
console.log(isEven(75));
// → false
console.log(isEven(-1));
// → ??

EloquentJS_SE0303.js

/* 
  My answer for exercise 'Bean counting'
  in Eloquent JavaScript Second Edition
  Chapter 3 Functions 
*/
// Your code here.
function countBs(word) {
  return countChar(word, "B");
}

function countChar(word, character) {
  var total = 0;
  for (var count = word.length - 1; count > -1; count--) {
    if (word.charAt(count) === character) {
      total += 1;
    }
  }
  return total;
}

console.log(countBs("BBC"));
// → 2
console.log(countChar("kakkerlak", "k"));
// → 4