/*
Write a function called myName that logs your full name.
Save your full name to a variable inside of the function body,
then use console.log to print your name to the console.
*/

**** ATTEMPT 1 ****

function myName () {
	var name = "Paul";
	console.log(name);
}
myName();
// -> Paul




/*
Create an array called favoriteFoods which contains the strings "pizza" and "ice cream".
Write a function called randomFood.
The function should use Math.random to randomly choose a
favorite food in your favoriteFoods array to return.
For example, your function will return either pizza or ice cream,
depending on what you get back from Math.random.
*/

**** ATTEMPT 1 ****

var favFoods = ['pizza', 'ice cream'];
function randFood () {
	favFoods[Math.floor(Math.random() * favFoods.length];
return randFood;
}
randFood();

// -> error




**** ATTEMPT 2 ****

var favFoods = ['pizza', 'ice cream'];
function randFood () {
	return favFoods[Math.floor(Math.random() * favFoods.length];
}

// -> ERROR




**** ATTEMPT 3 ****

var favFoods = ['pizza', 'ice cream'];
function randFood () {
	return favFoods[Math.floor(Math.random() * favFoods.length)];

}
// -> undefined



**** ATTEMPT 4 ****

function randFood () {
var favFoods = ['pizza', 'ice cream'];
	return favFoods[Math.floor(Math.random() * favFoods.length)];
}
randFood();
// -> "ice cream"


/*
Create a variable called numbers which is an array that contains the numbers 1 through 10.
Write a function called displayOddNumbers
which iterates over the numbers array and console.logs out all of the numbers that are odd.
*/

**** ATTEMPT 1 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers () {
	if (var numbers % 2 === 0){
		console.log(numbers);
    }
displayOddNumbers;
// -> Uncaught SyntaxError: Unexpected token var



**** ATTEMPT 2 ****
var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers () {
	if (var numbers%2 === 0){
		console.log(numbers);
    }
displayOddNumbers;


// -> Uncaught SyntaxError: Unexpected token var



**** ATTEMPT 3 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers () {
	if (var numbers % 2 == 0){
		console.log(numbers);
    }
displayOddNumbers;
// -> Uncaught SyntaxError: Unexpected token var


**** ATTEMPT 4 ****

function displayOddNumbers () {
var numbers = [1,2,3,4,5,6,7,8,9,10];
	if (var numbers % 2 === 0){
		console.log(numbers);
    }
displayOddNumbers;
// -> Uncaught SyntaxError: Unexpected token var


**** ATTEMPT 5 ****

function displayOddNumbers () {
var numbers = [1,2,3,4,5,6,7,8,9,10];
	if (var numbers % 2 === 0){
		console.log(numbers);
    }
displayOddNumbers();
// -> Uncaught SyntaxError: Unexpected token var



**** ATTEMPT 6 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers () {
	if (var numbers % 2 == 0){
		console.log(numbers);
    }
displayOddNumbers();
// -> Uncaught SyntaxError: Unexpected token var


**** ATTEMPT 7 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] % 2 == 1)
            console.log(numbers[i]);
        }
    }
}



**** SOLUTION ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayOddNumbers(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] % 2 !== 0)
            console.log(numbers[i]);
        }
    }
displayOddNumbers();



/*
Write a function called displayEvenNumbers
which iterates over the numbers array
and console.logs out all of the numbers that are even.
*/


**** SOLUTION ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function displayEvenNumbers(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] % 2 === 0)
            console.log(numbers[i]);
        }
    }
displayEvenNumbers();




/*
Create a function called returnFirstOddNumber
which iterates over the numbers array and
returns the first odd number it finds
*/

**** ATTEMPT 1/SOULTION ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnFirstOddNumber(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] % 2 !== 0){
            return numbers[i];
        }
    }
}

// Return means once it is run once - it stops!!!!!



/*
Create a function called returnFirstEvenNumber
which iterates over the numbers array and
returns the first even number it finds
*/

**** ATTEMPT 1/SOLUTION ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnFirstEvenNumber(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] % 2 == 0){
            return numbers[i];
        }
    }
}
returnFirstEvenNumber();




/*
Ceate a function called returnFirstHalf
which returns the first half of the numbers array
*/


**** ATTEMPT 1 ****
var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnFirstHalf(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] < 5){
            console.log(numbers[i]);
        }
    }
}
// -> Undefined


**** ATTEMPT 2 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnFirstHalf(){
    for(var i = 0; i < numbers.length; i++){
        if(numbers[i] < 5){
            console.log(numbers[i]);
        }
    }
}
returnFirstHalf();
// -> 1,2,3,4



**** SOLUTION ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnFirstHalf(){
    return numbers.slice(0,numbers.length/2);
}
returnFirstHalf();
// -> (5) [1, 2, 3, 4, 5]
/*
arr.slice(begin, end)
slice() method returns a shallow copy of a portion of an array into a
new array object selected from begin to end (end not included).
The original array will not be modified.
*/


/*
Ceate a function called returnSecondHalf
which returns the second half of the numbers array
*/

**** ATTEMPT 1 ****

var numbers = [1,2,3,4,5,6,7,8,9,10];
function returnSecondHalf(){
    return numbers.slice(numbers.length/2);
}
returnSecondHalf();

// ->(5) [6, 7, 8, 9, 10]