alexandrebvd

function where(collection, source) {
  var arr = [];
  var findKeys = Object.keys(source);
  
  for (var i = 0; i < collection.length; i++) {
      var currentObj = collection[i];
      for (var j = 0; j < findKeys.length; j++) {
          var key = findKeys[j];
          if (currentObj.hasOwnProperty(key) && currentObj[key] === source[key]) {
              arr.push(currentObj);

alexandrebvd

function bouncer(arr) {
  //callback function for filter method
  function RemoveFalse (value) {
    if (value === '' || value === false || value === null || value === 0 || value === undefined) {
      return false;
    } else {
      return true;
    }
  }
  return arr.filter(RemoveFalse);

alexandrebvd

function mutation(arr) {
  newArray = [];
  newArray[0] = arr[0].toLowerCase();
  newArray[1] = arr[1].toLowerCase();
  console.log(newArray);
  var finalArray = [];
  var numberOfLetters = newArray[1].split('').length;
  for (var i = 0; i < numberOfLetters; i++) {
    finalArray.push(newArray[0].indexOf(newArray[1][i]));
    console.log(newArray[0].indexOf(newArray[1][i]));

alexandrebvd

function slasher(arr, howMany) {
  if (howMany >= arr.length) {
    return [];
  } else if (howMany === 0) {
    return arr;
  } else {
    arr.splice (0, howMany);
    return arr;
  }
}

alexandrebvd

function chunk(arr, size) {
    var count = 0;
    var newArray = [];
    var finalArray = [];
    while (count < arr.length) {
        newArray = arr.slice(count, count+size);
        finalArray.push(newArray);
        count += size;
    }
    return finalArray;

alexandrebvd

function truncate(str, num) {
  if (str.length > num) {
    str = str.slice(0, num-3) + '...';
  }
  return str;
}

truncate('A-tisket a-tasket A green and yellow basket', 11);

alexandrebvd

function repeat(str, num) {
  if (num <= 0) {
    return '';
  } else {
    var rep = str;
    var i = 1;
    while (i < num) {
      str = str + rep;
      i++;
    }

alexandrebvd

function end(str, target) {
  var stringLength = str.length;
  var targetLength = target.length;
  var diffLength = stringLength - targetLength;
  if (str.substr(diffLength) === target) {
    return true;
  } else {
    return false;
  }
}

alexandrebvd

function largestOfFour(arr) {
  var largestOfFourArray = [];
  console.log(typeof(largestOfFourArray));
  for (var i in arr) {
    var largestOfCurrentArray = arr[i][0];
    for (var j in arr[i]) {
      if (arr[i][j] > largestOfCurrentArray) {
        largestOfCurrentArray = arr[i][j];
        largestOfFourArray[i] = largestOfCurrentArray;
      } else {

alexandrebvd

function titleCase(str) {
    str = str.toLowerCase();
    str = str.split(' ');
    console.log(str);
    for (var i in str) {
        str[i] = str[i].charAt(0).toUpperCase() + str[i].substr(1);
        console.log(str[i]);
        }
        str = str.join(' ');
        return str;