//var shouldnt be used
//has global scope


//let is new var
//const is const
//let and cosnt have block-level scope

// const name = 'John';
// const age = 30;

// console.log(`My name is ${name} and I am ${age} years old`);

// const s = 'Hello world';

// console.log(s.split(' '));

// const fruits = ['Apples', 'Strawberries', 'Oranges']

// console.log(fruits.indexOf('oranges'))

// //Object literals: key/value pairs. Not classes

// const person = {

//     firstName: 'John',
//     lastName: 'Doe',
//     age: 30,
//     hobbies: ['music', 'gaming', 'sports'],
//     address: {

//         city: 'Skopje',
//         zipCode: 1000,
//         address: 'Partiznaski Odredi #12'
//     }
// }

// console.log(person)

// const {address} = person

// console.log(address)

// person.address.country = 'Maceodnia'

const todos = [

    {
        id: 1,
        text: 'Take out trash',
        isCompleted: true
    },
    {
        id: 2,
        text: 'Walk the dog',
        isCompleted: false
    },
    {
        id: 2,
        text: 'Shoot myself',
        isCompleted: false
    },
];

// console.log(todos)

//JSON - double quotes for everything, no single quotes, and variable names quoted
// [
//     {
//        "id": 1,
//        "text": "Take out trash",
//        "isCompleted": true
//     },
//     {
//        "id": 2,
//        "text": "Walk the dog",
//        "isCompleted": false
//     },
//     {
//        "id": 2,
//        "text": "Shoot myself",
//        "isCompleted": false
//     }
//  ]

// Convert array of object litterals to JSON format

// const todoJSON = JSON.stringify(todos);
// console.log(todoJSON)

//For
// for(let i = 0; i < todos.length; ++i){

//     console.log(todos[i])
// }

// for(let todo of todos){

//     console.log(todo)
// }

//High order Array methods - forEach, map, filter

//forEach
// todos.forEach(function(todo){

//     console.log(todo)
// });

//map
// const todoText = todos.map(function(todo){

//     return todo.text;
// });

// console.log(todoText)

// //mafilterp
// const todoComplete = todos.filter(function(todo){

//     return todo.isCompleted;
// }).map(function(todo){

//     return todo.text;
// })

// console.log(todoComplete)

// const color = 'blue';

// switch(color) {

//     case 'red':
//         console.log('color is red')
//         break
//     case 'blue':
//         console.log('color is blue')
//         break
//     default:
//         console.log('color is something other than red and blue')
//         break;
// }

function addNumbs(num1, num2){

    console.log(num1 + num2);
}

addNumbs(3, 4)

//Arrow Functions

const addFive = num => num+5;

console.log(addFive(4))

todos.forEach(todo => todo.user = 'Ivan')

console.log(todos)