FreeCodeCamp.js

//FreeCodeCamp solution by Thiago Sposito


/// ###################### STEAMROLER #####################################
function steamrollArray(arr) {
    // I'm a steamroller, baby
    var result = [];
    recursiveDigger(arr);
    return result;

    function recursiveDigger(array) {

        if (Array.isArray(array)) {
            for (var i = 0; i < arr.length; i++) {
                recursiveDigger(array[i]);
            }
        }
        else if(array != undefined) {
            result.push(array);
            console.log(result);
        }
    }
}

steamrollArray([1, [2], [3, [[4]]]]);

/// ###################### Binary Agent #####################################

function binaryAgent(str) {
  codes = str.split(' ');
  test = "";
  for (var i = 0; i < codes.length; i++){
    codes[i] = String.fromCharCode(DecimalNumberFromBinary(codes[i]));
    test += codes[i];
  }
  return test;
}

function DecimalNumberFromBinary(binaryStr){
  var result = 0;
 var reverse = binaryStr.split("").reverse().join("");
  for (var i = 0; i < reverse.length; i++){
    if(reverse[i] == 1){
      result += Math.pow(2, i);
    }
  }
  return result;
}

binaryAgent("01000001 01110010 01100101 01101110 00100111 01110100 00100000 01100010 01101111 01101110 01100110 01101001 01110010 01100101 01110011 00100000 01100110 01110101 01101110 00100001 00111111");