Dylan-Thomson

function bouncer(arr) {
  arr = arr.filter(function(ele) {
    if(ele)
      return ele;
  });
  return arr;
}

bouncer([7, "ate", "", false, 9]);

Dylan-Thomson

function mutation(arr) {
  for(var i = 0; i < arr[1].length; i++) {
    for(var j = 0; j < arr[0].length; j++) {
      if(arr[0].toLowerCase().indexOf(arr[1].toLowerCase().charAt(i)) < 0) {
        return false;
      }
    }
  }
  return true;
}

Dylan-Thomson

function slasher(arr, howMany) {
  arr.splice(0, howMany);
  return arr;
}

slasher([1, 2, 3], 2);

Dylan-Thomson

function chunkArrayInGroups(arr, size) {
  var result = [];
  for(var i = 0; i < arr.length; i+=size) {
    result.push(arr.slice(i, i+size));
  }
  return result;
}

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

Dylan-Thomson

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

Dylan-Thomson

function repeatStringNumTimes(str, num) {
  if(num < 1) {
    return "";
  }
  return str.repeat(num);
}

Dylan-Thomson

function confirmEnding(str, target) { 
  return str.substring(str.length - target.length) === target;
}

confirmEnding("Bastian", "n");

Dylan-Thomson

function largestOfFour(arr) {
  var result = [];
  arr.forEach(function(arr) {
    var max = arr[0];
    for(var i = 1; i < arr.length; i++) {
      if(arr[i] > max) {
        max = arr[i];
      }
    }
    result.push(max);

Dylan-Thomson

function titleCase(str) {
  var arr = str.split(" ");
  for(var i = 0; i < arr.length; i++) {
    arr[i] = arr[i].charAt(0).toUpperCase() + arr[i].slice(1).toLowerCase();
  }
  return arr.join(" ");
}

titleCase("I'm a little tea pot");

Dylan-Thomson

function findLongestWord(str) {
  var arr = str.split(" ");
  var longestWord = arr[0];
  for(var i = 1; i < arr.length; i++) {
    if(arr[i].length > longestWord.length) {
      longestWord = arr[i];
    }
  }
  return longestWord.length;
}