solutions.js

/* 1) Ticket Generator
Write a for-loop that will iterate through 20 numbers (starting at 1 and ending at 20) and console.log the following message:
"Now serving 1."
"Now serving 2."
"Now serving 3."
.
.
.
"Now serving 20."
*/

for(var i = 1; i<21; i++){
  console.log("Now serving " + i);
}


/* 2) Pop Charts
Write a for-loop that will iterate through the topFive array below and console.log the following message:
This week's chart buster is: 'Closer.'
This week's chart buster is: 'Starboy.'
This week's chart buster is: 'I Feel It Coming.'
This week's chart buster is: 'Let Me Love You.'
This week's chart buster is: '24K Magic.'
*/

var topFive = ["Closer", "Starboy", "I Feel It Coming", "Let Me Love You", "24K Magic"];

for(var i = 0; i<topFive.length; i++){
  console.log("This week's chart buster is: " + "'"+ topFive[i] +".'");
}

/* 3) Dead Presidents
Declare a variable named `presidents` and assign it to an array containing the following Presidents: Washington, Adams, Jefferson, Madison and Monroe.
 
Write a for-loop that will iterate through this array and within the for-loop console.log the following:
The value at 0 is Washington.
The value at 1 is Adams.
The value at 2 is "Jefferson.
The value at 3 is "Madison.
The value at 4 is Monroe.


Next, console.log the length of the array.

3-A) Create a function named leaders which will take in a parameter: `person`.
   @param Datatype: String `person`
 
This function will iterate through the person parameter and console.log the following message for each item in the array:

"President person was a great leader."
*/

var presidents = ["Washington", "Adams", "Jefferson", "Madison", "Monroe"];
for(var i = 0; i<presidents.length; i++){
  console.log("The value at " + i + " is " + presidents[i]);
}

console.log(presidents.length);

function leaders(person){
  for(var i = 0; i<person.length; i++){
    console.log("President " + person[i] + " was a great leader.");
  }
}

leaders(presidents);



/* 4) Line Number
Declare a variable named `stringOfNumbers` and assign its value to an empty string. 

Write a for-loop that concatenates a Number value into that string on each iteration, starting at `10` and continuing up to and including `20`. Console.log your result. It should read "1011121314151617181920"*/

var stringOfNumbers = "";
for(var i = 10; i<21; i++){
  stringOfNumbers += i;
}

console.log(stringOfNumbers);


/* 5) Even Stevens
Declare a variable named `evenNumArr` and assign its value to an empty array. 

Write a for-loop that will push even numbers to the `evenNumArr` array. We want to push 50 even even numbers starting from 0.
Console.log your results.
*/

var evenNumArr = [];

for(var i = 0; i<100; i++){
  if(i%2 === 0){
    evenNumArr.push(i);
  }
}

console.log(evenNumArr);

/* 6) Up the Odds
Declare a variable named `oddSum` and assign it to the Number value 0.

Write a for-loop that will sum up odd numbers to the `oddSum` variable. We want to add 50 odd numbers starting from 1.
Console.log your results.
*/
  
 var oddSum = 0;
 for(var i = 1; i<100; i++){
  if(i%2 === 1){
    oddSum +=i;
  }
 }

 console.log(oddSum);


/* 7) Oops There It is
Declare a variable named `oopsArray` and assign its to the following array: `[ 'turn' , , 'down' , , 'for' , , 'what' ]`.
Note that every odd index value in `oopsArray` is currently `undefined`. Using a for-loop, add the string `'nope'` to every odd index. Console.log your result. It should look like this:

[ 'turn' , 'nope' , 'down' , 'nope' , 'for' , 'nope' , 'what' ]
*/

var oopsArray = [ 'turn' , , 'down' , , 'for' , , 'what' ];
for(var i = 0; i<oopsArray.length; i++){
  console.log(oopsArray[i]);
  if(i%2 ===1){
    oopsArray[i] = "nope";
  }
}

console.log(oopsArray);


/* 8) Is It There Oops
Using a for-loop, iterate through the Array stored at `oopsArray` backwards. Console.log your result. It should look like this:

what
nope
for
nope
down
nope
turn
*/

for(var i = oopsArray.length - 1; i>=0; i--){
  console.log(oopsArray[i]);
}


/* 9) Siesta Time
Declare a variable named `napSchedule` and assign its value to the following array: `[false, false, true, false, true, true]`

Next, write a function named `nap`. This function takes in a single parameter: `schedule`

   @param Datatype: Array `schedule`

Inside of this function write a for-loop that will iterate through the `napSchedule` array and console.log the message: `ZzZzZzZz` if the schedule is `true`, otherwise the it will console.log the message: `Gotta get coding!` if the schedule is `false`.
*/

var napSchedule = [false, false, true, false, true, true];

function nap(schedule){
  for(var i = 0; i<schedule.length; i++){
   if(schedule[i] === true){
    console.log("ZzZzZzZz");
   }else{
    console.log("Gotta get coding!");
   } 
  }
}

nap(napSchedule);


/* 10) Copy Pasta
Declare a variable named `valuesArray` and assign its value to be an array: `[99, 66, 829, 1941, 8, 76]`. 
Declare another variable named `copyValuesArray` and assing its value to an empty array.

Write a function named `copyArray` which takes two arguments: `originArray` and `destinationArray`. 

   @param Datatype: Array `originArray`
   @param Datatype: Array `destinationArray`

Inside of this function write a for-loop that will iterate through the contents of the `originArray` and pushes each element of that array into `destinationArray`. Console.log your result.
*/

var valuesArray = [99, 66, 829, 1941, 8, 76];
var copyValuesArray = [];

function copyArray(originArray, destinationArray){
  for(var i = 0; i<originArray.length; i++){
    destinationArray.push(originArray[i]);
  }
  return destinationArray;
}

console.log(copyArray(valuesArray, copyValuesArray));
console.log(copyValuesArray);


/*Final Boss*/

/* 11) Go Long
Declare a variable named `topQuote` and assign it to a String value of your favorite one line quote.
Write a function that will iterate through the string value and return the longest word in that quote. Console.log your result.
*/

var topQuote = "Boards don't hit back.";

function longestWord(str){
  var strToArray = str.split(" "); //converts string to an array
  var currentWord = ""; //to store the string 
  for(var i =0; i<strToArray.length; i++){ //iterate through the string array
    if(strToArray[i].length > currentWord.length){ //comparing if the word's length is longer than current word
      currentWord = strToArray[i]; 
    }
  }
  return currentWord;
}

console.log(longestWord(topQuote));

/* 12) Puppet Master
Declare a variable named `miscStorage` set it's value to be: `[ [], 'Carrots', 9, 'Beets', {}, {name: "Todd B."}, 'Mush' ]`
Write a function named `generateArrayOfStrings` which takes a single argument `storage`. This function will return a new Array with only `String` values inside of it.

   @param Datatype: Array `storage`
   @return Datatype: Array

*/

var miscStorage = [ [], 'Carrots', 9, 'Beets', {}, {name: "Todd B."}, 'Mush' ];

function generateArrayOfStrings(storage){
  var stringArray = [];
  for(var i = 0; i<storage.length; i++){
    if(typeof storage[i] === typeof ""){ //typeof operator returns a string https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof
      stringArray.push(storage[i]);
    }
  }
  return stringArray;
}

console.log(generateArrayOfStrings(miscStorage));


/* 13) All Grown Up 
Write a function that will capitalize the first letter in each word in the phrase below. The function will console.log the message: "I've Lived A Life That's Full. I've Traveled Each and Every Highway. But More, Much More Than This. I Did It My Way."  
*/

var myWay = "i've lived a life that's full, i've traveled each and every highway. but more, much more than this. i did it my way.";

function capitalize(str){
  var word = str.split(" ");
  //console.log(word);
  for(var i = 0; i<word.length; i++){
    //console.log(word[i]);
    var letter = word[i].split("");
    //console.log(letter);
    letter[0] = letter[0].toUpperCase();
    //console.log(letter);
    word[i] = letter.join('');
  }
  return word.join(" ");
}

console.log(capitalize(myWay));

/* 14) Sightseeing
Write a function that will loop through the multi-dimensional array and console.log the city and landmark on separate lines.
Note, please use two for loops to complete this problem

  @param Datatype: Array
  */

var guide = [["Honolulu", "Waikiki"], ["Tokyo", "Tsukiji Fish Market"], ["Cairo", "Pyramids"],["Rome", "Colosseum"]];

for(var i = 0; i<guide.length; i++){
  for(var j = 0; j<guide[i].length; j++){
    console.log(guide[i][j])
  }
}


/* 15) Back to School
Declare a variable named `currentCohort` and set it's value to be this [array found here](https://gist.github.com/sgnl/e40879b2249e06ca7811).
Write a function named `graduateAndSetNewClass`, which takes a single argument called `cohort`.

   @param Datatype: Array `cohort`

The function will iterate through the `cohort` argument and check each student's `enrolled` property.
If the `enrolled` property is set to `true` then change that student's `graduated` property to `true`. Otherwise, if `enrolled` is set to `false` then change `enrolled` to `true` leaving `graduated` alone and unchanged.
Console.log your result.
*/

var currentCohort = [
  {
    name: 'Doug',
    graduated: false,
    enrolled: true
  },
  {
    name: 'Pat',
    graduated: false,
    enrolled: false
  },
  {
    name: 'Marsha',
    graduated: false,
    enrolled: false
  },
  {
    name: 'Moira',
    graduated: false,
    enrolled: true
  },
  {
    name: 'Ben',
    graduated: false,
    enrolled: true
  },
  {
    name: 'Nigel the Giraffe',
    graduated: false,
    enrolled: false
  },
  {
    name: 'Brandon the Shark',
    graduated: false,
    enrolled: true
  }
];

function graduateAndSetNewClass(cohort){
 for(var i = 0; i<cohort.length; i++){
  //console.log(cohort[i]);
  if(cohort[i].enrolled === true){
    cohort[i].graduated = true;
  }else{
    cohort[i].graduated = false;
  }
 }
 return cohort;
}

console.log(graduateAndSetNewClass(currentCohort));