jgresalfi

var endArr = [],
    firstCap = [],
    finalStr = [];

function theChopper(arr) {
    for (var i = 0; i < arr.length; i++) {
    firstCap.push(arr[i].charAt(0).toUpperCase());
    endArr.push(arr[i].slice(1));
  }
}

jgresalfi

function largestOfFour(arr) {
    for (var i = 0; i < arr.length; i++) {
        for (var j = 0; j < arr[i].length; j++) {
            arr[i] = Math.max(...arr[i]);
        }
    }
    return arr;
}
largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);

jgresalfi

var count = 0;

function cc(card) {
  switch (card) {
    case 2:
    case 3:
    case 4:
    case 5:
    case 6:
      count++;

jgresalfi

function confirmEnding(str, target) {
  var fragCount = target.length,
      chunk = str.substring(str.length - fragCount);
  if (chunk === target) {
    return true;
  } else { return false; }
}

confirmEnding("Walking on water and developing software from a specification are easy if both are frozen", "specification");

jgresalfi

function truncateString(str, num) {
    if (num <= 3) {
        str = str.slice(0, num) + "...";
    } else if (str.length > num) {
        str = str.slice(0, (num - 3)) + "...";
    }
    return str;
}
truncateString("Jason", 1);

jgresalfi

// Write a function that splits an array (first argument) into groups the length of size (second argument) and returns them as a two-dimensional array.


function chunkArrayInGroups(arr, size) {
    var newArr = [];
        beginSlice = 0,
        endSlice = size;
    for (var i = 0; i < (arr.length/size); i++) {
        newArr.push(arr.join("").slice(beginSlice, endSlice).split());
        beginSlice += size;

jgresalfi

function mutation(arr) {
    var str1 = arr.slice(0, 1).join(" ").toLowerCase(), 
        str2 = arr.slice(1).join(" ").toLowerCase(),
        hits = 0;
    for (var i = 0; i < str2.length; i++) {
        if (str1.indexOf(str2[i]) !== -1) {
            hits += 1;            
        }
    }
    if (hits === str2.length) {

jgresalfi

function bouncer(arr) {
  var newArr = arr.filter( function(el) {
     if (el) {
         return el;
     }
  });
  return newArr;
}

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

jgresalfi

function destroyer(args) {
    var args = [...arguments]
      , finalArray = []
      , targetArray = args.shift();
    finalArray = targetArray.filter(function(el) {
        return args.every(function(arg) {
            return ( el !== arg);
        });
    });

jgresalfi

function getIndexToIns(arr, num) {
  let numArr = arguments[0],
      addNum = arguments[1];
      numArr.push(addNum);
      numArr.sort(function(a, b) {
      return a - b;
  });
  return numArr.indexOf(addNum);
}