* Create an iterator with a next method that returns each value of the array when .next is called.

* Examine the code for the outer function. Notice that we are returning * a function and that function is using variables that are outside of its sco

* The function reduce takes an array and reduces the elements to a single value. For example it can sum all the numbers, multiply them, or any ope

* Now we are going to create a function addByX that returns a function * that will add an input by x

* Create an adminFactory function that creates an object * with all the same data fields (and default values) as objects * of the userFactory class,

* Write a function after that takes the number of times the callback * needs to be called before being executed as the first parameter * and the cal

* Write a function that will console.log "hello there", or "gibberish", every three seconds depending on if the word passed into the function is 'engl

* Write a function delay that returns a promise. And that promise should return a setTimeout that calls resolve after 1000ms

* Write a function delay that accepts a callback as the first parameter * and the wait in milliseconds before allowing the callback to be invoked *

* Create an iterator with a next method that returns an array with two elements * (where the first element is the index and the second is the value a

* Create a function that accepts two inputs (name and age) and returns an object. * Let's call this function makePerson. This function will: * creat

Write a function once that accepts a callback as input and returns a function. When the returned function is called the first time, it should call

* personFromConstructor that takes as input a name and an age. * When called, the function will create person objects using the new keyword * instea

* Create a function personFromPersonStore that takes as input a name and an age. * When called, the function will create person objects using the Obj

* Let's start by reviewing asynchronous functions! Using setTimeout, print the string 'Hello!' after 1000ms.

* Create an iterator with a next method that returns each value of a set when .next is called

* Write code to iterate through an entire array using your nextIterator and sum the values.

* Build a function that walks through an array and returns the element concatenated * with the string "was found after index x", where x is the prev

* Use async/await to console.log a sentence comprised of a noun and verb in which the non async function takes in a noun, * concatenates it with a ha

* Create a function PersonConstructor that uses the this keyword to save * a single property onto its scope called greet. greet should be a function

* Create an iterator that returns each word from a string of words on the call of its .next method (hint: use regex!) Then attach it as a method

* Create a function brokenRecord that console logs hi again every second. * Use the End Code button to stop the console logs when you are * satisfie

* Create a function createFunction that creates and returns a function. * When that created function is called, it should print "hello".

* Create a function createFunctionPrinter that accepts one input and returns * a function. When that created function is called, it should print out

* Create a function delayedGreet that console logs welcome after 3 seconds.

* Write a function called everyXsecsForYsecs that will accept three arguments: * a function func, * a number interval, * and another number duratio

* Create a function helloGoodbye that console logs hello right away, * and good bye after 2 seconds.

* Construct a function intersection that compares input arrays and returns a new array * with elements found in all of the inputs. BONUS: Use reduce

* Create a function limitedRepeat that console logs hi for now every * second, but only for 5 seconds. * Research how to use clearInterval if you ar

* In the first part of the extension, you're going to rebuild map as mapWith. * This time you're going to use forEach inside of mapWith instead of us

Construct a function multiMap that will accept two arrays: an array of values and an array of callbacks. multiMap will return an object whose key

Construct a function objOfMatches that accepts two arrays and a callback. objOfMatches will build an object and return it. To build the object,

* Thinking point (no writing code necessary for this challenge): * Inspect the code given to you in Challenge 1. * In what order should the console

Construct a function union that compares input arrays and returns a new array that contains all elements. If there are duplicate elements, only add