http://www.freecodecamp.com/sawant 's solution for Bonfire: Chunky Monkey

bonfire-chunky-monkey?solution=function%20chunk(arr%2C%20size)%20%7B%0A%20%20%2F%2F%20Break%20it%20up.%0A%20%20var%20result%20%3D%20%5B%5D%3B%0A%20%20for%20(var%20i%20%3D%200%3B%20i%20%3C%20arr.length%2Fsize%3B%20i%2B%2B)%20%7B%0A%20%20%20%20result.push(%20arr.slice(%20i%20*%20size%2C%20size%20*%20(i%2B1)%20)%20)%3B%0A%20%20%7D%0A%0A%20%20return%20result%3B%0A%7D%0A%0Achunk(%5B%22a%22%2C%20%22b%22%2C%20%22c%22%2C%20%22d%22%5D%2C%202)%3B%0A.js

// Bonfire: Chunky Monkey
// Author: @sawant
// Challenge: http://www.freecodecamp.com/challenges/bonfire-chunky-monkey?solution=function%20chunk(arr%2C%20size)%20%7B%0A%20%20%2F%2F%20Break%20it%20up.%0A%20%20var%20result%20%3D%20%5B%5D%3B%0A%20%20for%20(var%20i%20%3D%200%3B%20i%20%3C%20arr.length%2Fsize%3B%20i%2B%2B)%20%7B%0A%20%20%20%20result.push(%20arr.slice(%20i%20*%20size%2C%20size%20*%20(i%2B1)%20)%20)%3B%0A%20%20%7D%0A%0A%20%20return%20result%3B%0A%7D%0A%0Achunk(%5B%22a%22%2C%20%22b%22%2C%20%22c%22%2C%20%22d%22%5D%2C%202)%3B%0A
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function chunk(arr, size) {
  // Break it up.
  var result = [];
  for (var i = 0; i < arr.length/size; i++) {
    result.push( arr.slice( i * size, size * (i+1) ) );
  }

  return result;
}

chunk(["a", "b", "c", "d"], 2);