practice.js

//=========DO NOT TOUCH THIS CODE=========//
var greetingsEarthlings = { greeting, newGreeting, finalGreeting }
//============Continue below=============//


//+++++++++ Start Here! All problems are below. +++++++++//


//////////////////PROBLEM 1////////////////////

//Create a function declaration called greeting that 
//accepts name as its only parameter.
//greeting should return the string "Hello, " 
//plus the value of the name parameter. 

//Code here




//////////////////PROBLEM 2////////////////////

//Rewrite the function greeting as a function expression.
//Name it newGreeting (You must use a var for this instead of let or const)

//Code Here




//////////////////PROBLEM 3////////////////////

//Rewrite the function greeting as an arrow function.
//Name it finalGreeting (You must use a var for this instead of let or const)

//Code Here




//////////////////PROBLEM 4////////////////////  

//Create an array called groceries with the values 
//"apples", "milk", "eggs", "bread"

  //Code Here
  


//Write a function called doubleCheck that takes in an array 
//as a parameter.

//If the array does not contain "chocolate", add "chocolate".
//doubleCheck should return the array.

  //Code Here
  



//////////////////PROBLEM 5////////////////////  

//Create an object saved to the variable dog.
//The dog object should have the following properties:
//name (a string), color: (a string), age (a number),
//and goodBoy (a boolean).

//Code Here



//...access the dog's name from the object and assign it to a 
//variable called devMountainClassPet.

    //Code Here
    


//Add a method to dog called bark.
//The value of bark should be a function that returns the string "Woof woof"

  //Code Here
  


//Store the result of invoking the bark method in a variable called ruff

  //Code Here
  



//////////////////PROBLEM 6////////////////////

//Write a function called looper that takes in an array. looper should declare
//a variable called mySum. looper should then loop through the array and check 
//each element. 

//If the element is odd, or if the element is greater than or equal to 100, add the element
//to mySum.

//Return mySum.

//Code Here




//////////////////PROBLEM 7////////////////////

//Given the following function called math

function math(num1, num2, callback) {
  return callback(num1, num2)
}

//Write a function called add that takes in two parameters and 
//returns the result of adding them together.

  //Code Here
  


//Now invoke math, passing in the numbers 3 and 4, and your add function,
//storing the result in the variable mathSum

  //Code Here
  



//////////////////PROBLEM 8////////////////////

//Write a function called invoker that takes in one paramter, a callback function. 
//invoker should return the result of invoking the callback.

function sampleCallbackOne() {
  return 'I am a callback function'
}

function sampleCallbackTwo() {
  return 'I am also a callback function'
}

  //Code Here
 
  


//////////////////PROBLEM 9////////////////////

let duck = 'cute';

function bathroom () {
  let rubberDuck = 'squeaky';
  function bathtub() {
    let sailorDuck = 'nautical';
  }
}

function pond() {
  let realDuck = 'fluffy';
}

//Given the functions and variables above, edit the arrays 
//below to contain only the appropriate variable names 
//as strings

//This array should contain the variable names (as strings) accessible in the global scope.
let globalScope = ['duck', 'sailorDuck', 'rubberDuck', 'realDuck'];


//This array should contain the variable names (as strings) accessible in the bathroom function.
let bathroomScope = ['duck', 'sailorDuck', 'rubberDuck', 'realDuck'];


//This array should contain the variable names (as strings) accessible in the bathtub function.
let bathtubScope = ['duck', 'sailorDuck', 'rubberDuck', 'realDuck'];


//This array should contain the variable names (as strings) accessible in the pond function.
let pondScope = ['duck', 'sailorDuck', 'rubberDuck', 'realDuck'];



//////////////////PROBLEM 10////////////////////

//Create a function called outerFn which returns an anonymous 
//function which returns your name.

  //Code Here
  


//Now save the result of invoking outerFn into a variable called innerFn.

  //Code Here
  
  

//Now invoke innerFn and save the result to a variable called finalResult.

  //Code Here