Javascript Objects and Arrays review

javascript-review.js

/*Data / Information
- Make
- Change
- Move
- ?*/


var myClothes = {shirt: "red"};

function IDoStuff(){
    var IDoInsideStuff = function(name){
        return "Hey " + name;
    }
    return IDoInsideStuff;
}

var result = IDoStuff();
var abc= result("Marco");

//Arrays
var numbers = [1,2,3,4,5,6,7,8,9,0];
var evenNumbers = [];  //expect [2,4,6,8,0]

//for 
   //move the correct data to the new array
   //Hint: javascript mod

//for(var i = 0; i < arr.length; i++){
//    //Code here   
//}
//for(var i = arr.length -1; i >= 0; i--){
//
//}


var myBox = {
    shirt: "red",
    ball: "large",
    book: "Fifty Shades of Yellow",
    kid: "the bad kid Steve who is 7 and not at dev mountain"
}

myBox.shoes = "Jordans";
myBox.spoiler = "red and fast";

for(var prop in myBox) {
    console.log(prop);
}


var attendee = {
   nickName: "Examplerrr",
   realName: "John Examplesmith",
   plusOne: true,
   skillLevel: "Expert"
}

var attendee1 = {
   nickName: "Examplerrr",
   realName: "James Examplesmith",
   plusOne: true,
   skillLevel: "Expert"
}

var attendee2 = {
   nickName: "HackMaster",
   realName: "Dave Jones",
   plusOne: true,
   skillLevel: "Beginner"
}

var attendee3 = {
   nickName: "Wordsmith",
   realName: "Suzie Kanye",
   plusOne: true,
   skillLevel: "Expert"
}
attendee3.nickname
var attendees = [attendee, attendee1, attendee2, attendee3];

function countDuplicateNicknames(arrayOfAttendees){
    //Hints: square bracket notation,  obj.hasOwnProperty('prop');
 
    //Make nickname counting object - var nicknameCount = {}
    var nicknameCount = {};
        
    //Look through attendees  - for loop
       
    for(var i = 0;  i < arrayOfAttendees.length; i++){
        //get their nickname
       var nickname = arrayOfAttendees[i].nickName; //Examplerrrr, Hackmaster, wordsmith, other?
    //See if that nickname has already been used
        //IF it has it 
        if(nicknameCount.hasOwnProperty(nickname)){
            //add 1 to the count
            nicknameCount[nickname]++;
        } else{
            //add the nickname and make it equal 1
            nicknameCount[nickname] = 1;
        }
    }
    //return results
    return nicknameCount;
}

var countedNicknames = countDuplicateNicknames(attendees);

for(var prop in countedNicknames){
  console.log("The nickname " + prop + " is registerd " + countedNicknames[prop] + " times.");   
}
/*
var result = {
    [nickname]: count
}
*/