Day 3

1-example.js

console.log("Hello World");
console.log("Hello World");
console.log("Hello World");
console.log("Hello World");
console.log("Hello World");

10-if.js

// let age = 33;

// if (age > 18) {
//    console.log('You can enter!'); 
// }

// let luckyNumber = 7;

// if (luckyNumber != 14) {
//     console.log('You are lucky');
// }

// if (true) {
//     console.log('This will log no matter what!');
// }

// let oldEnough = age > 18;

// if (oldEnough) {
//     console.log('You can enter!');
// }

if (4 != 5) {
    console.log('4 != 5');
}

if (4 == 4 || 'hi' == 'hello') {
    console.log('one of these are true, lol');
}

let age = 4;
let name = 'Brittany';
if (age > 3 && name == 'Brittany') {
    console.log("It's your birthday!");
}

let isRaining = false;

if (isRaining) {
    console.log("bring umbrella");
}

if (!isRaining) {
    console.log("enjoy the sun");
}

11-else.js

// if (false) {
//     console.log('this ran in the if');
// } else {
//     console.log('this ran in the else');
// }

if (4 == 4) {
    console.log('This will run this if');
} else {
    console.log('js can not do math!');
}

let age = 13;

if (age > 18) {
    console.log('you may enter');
} else {
    console.log('you are too young :(');
}

let iLikePizza = true;

if (!iLikePizza) {
    console.log(":(");
} else {
    console.log(":)");
}

12-elseif.js

// let age = 45;

// if (age > 60) {
//     console.log('Golden years');
// } else if (age > 50) {
//     console.log('Prime years');
// } else if (age > 40) {
//     console.log('Great years')
// } else {
//     console.log('Young Years');
// }

let name = 'Billy';

if (name == 'Amy') {
    console.log('You are awesome');
} else if (name == 'Tom') {
    console.log('You are great');
} else if (name == 'Bill') {
    console.log('Hi Bill!');
} else if (name == 'Ash') {
    console.log('You are rocking it!!');
} else {
    console.log('I do not know');
}

13-switch.js

// let name = 'Tom';


// switch(name) {
//     case 'Bill':
//     case 'Fred':
//         console.log('Your name is Bill or Fred');
//         break;
//     case 'Amy':
//         console.log('Your name is Amy');
//         break;
//     default:
//         console.log('Your name is not known');
//         break;
// }

let train = 'redish';

switch(train) {
    case 'blue':
        console.log('Bluezy Train');
        break;
    case 'red':
        console.log('Red Power Train');
        break;
    default:
        console.log('The Amazing Train');
        break;
}

14-for.js

// for (let i = 0; i <= 10; i += 2) {
//     console.log(i, 'running the loop');
// }

let colors = ['yellow', 'green', 'blue']

// for (let i = 0; i < colors.length; i += 1) {
//      console.log(colors[i]);
// }

for (let i = 15; i >= 0; i -= 3) {
    console.log(i);
}

15-for-in.js

// let person = {
//     name: 'Fred',
//     age: 50
// };

// for (let key in person) {
//     console.log(key, person[key]);
// }

// let colors = ['green', 'red', 'blue'];

// for (let key in colors) {
//     console.log(key, colors[key]);
// }

let dog = {
    name: 'Fred',
    furColor: 'green',
    age: 4
};

for (let property in dog) {
    console.log(dog[property], property);
}

16-for-of.js

let colors = ['red', 'green', 'blue'];

for (let color of colors) {
    console.log(color);
}

let favoriteNumbers = [7, 1, 13];

for (let num of favoriteNumbers) {
    console.log(num);
}

17-while.js

// let i = 10;

// while(i > 0) {
//     console.log(i);
//     i -= 1;
// }

let j = 5;
while(j <= 10) {
    console.log(j);
    j += 1;
}

console.log('end');

18-continue.js

// for (let i = 0; i < 10; i += 1) {
//     if (i == 5) {
//         continue;
//     }
//     console.log(i);
// }

// let j = 5;

// while (j > 0) {
//     j -= 1;
//     if (j == 3) {
//         continue;
//     }
//     console.log(j);
    
// }

let colors = ['red', 'green', 'blue', 'purple'];

for (let color of colors) {
    if (color == 'blue') {
        continue;
    }
    console.log(color);
}

19-break.js

// for (let i = 0; i <= 10; i += 1) {
//     if (i == 5) {
//         break;
//     }

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

// let person = {
//     name: 'Amy',
//     age: 30
// }

// for (let key in person) {
//     if (key == 'age') {
//         break;
//     }

//     console.log(key, person[key]);
// }

let colors = ['red', 'green', 'blue', 'yellow'];

for (let color of colors) {
    if (color == 'green') {
        break;
    }
    console.log(color, 'color');
}

2-comments.js

// This is a comment

/*

This is a long comment

Really long!
*/

// Test Comment

/*
This is a 
multi line 
comment
*/

20-contants.js

const coolName = 'Ash';
const iLikeIceCream = true;

const coolColors = ['red', 'green', 'blue'];

const awesomePerson = {
    name: 'Fred',
    age: 23
}

awesomePerson.age = 40;
coolColors[3] = 'purple';

const iLikeChicken = true;
console.log(iLikeChicken);

21-functions.js

function hi() {
    console.log('hi');
    console.log('hi again');
}

function count() {
    for (let i = 1; i <= 10; i += 1) {
        console.log(i);
    }
}

count();
count();
count();
count();

22-parameters.js

// function count(countFrom, countTo) {
//     for (let i = countFrom; i <= countTo; i += 1) {
//         console.log(i);
//     }    
// }

// let maxCount = 50;
// count(1, maxCount);

function hi(name, age) {
    console.log("hi, " + name + " you are " + age + " years old.");
}

hi("Amy", 34);
hi("Tom", 14);

23-return.js

function add(num1, num2) {
    // num1 = 3
    // num2 = 7
    // 7 + 10
    return num1 + num2;
}

let sum = add(3, 7);


function dogYears(age) {
    // age = 37
    return age * 7;
}

let myYearsInDogYears = dogYears(37);

console.log(myYearsInDogYears, 'dog years');

24-alert.js

// alert('Hi');
// let name = 'Bill';

// alert('Hi ' + name);
alert('You rock!!');

25-confirm.js

// let goForIt = confirm('Go for it?');
// console.log(goForIt, 'go for it?');

let iLikeIceCream = confirm('Do you like icecream?');

if (iLikeIceCream) {
    console.log('You know it!');
} else {
    console.log('You crazy!');
}

26-prompt.js

// let favoriteColor = prompt('What is your favorite color?');
// console.log(favoriteColor, 'favoriteColor');

let favoriteFood = prompt('What is your favorite food?');

if (favoriteFood == 'Cheese') {
    console.log('You are right!');
} else {
    console.log('Try again!');
}

3-datatypes.js

// string = is text
console.log('Hello World');
// number = 
console.log(3);
console.log(33.23232);
// boolean
console.log(true);
console.log(false);
// add a string to a number
console.log('5' + 5); // 55
// Math
console.log(5 + 5); // addition
console.log(5 - 5); // subtraction
console.log(5 / 5); // division
console.log(5 * 5); // multiplication

console.log("You rock!!");
console.log(false);
console.log(82);

4-variables.js

let firstName = 'Amy'; 
// variable data type is a string / text
// variable name is 'firstName'
// variable value / data that it is store is 'Amy'
let age = 25;
// variable data type is number
// variable name is 'age'
// variable is storing 25
let iLikeCheese = true;
// variable data type is boolean
// variable name is 'iLikeCheese'
// variable is storing true

age = 40;
let dogYears = age * 7;
console.log(dogYears);

5-array.js

let groceryList = ['apples', 'chicken', 'paper towels'];
console.log(groceryList[2]);
console.log(groceryList[1]);
groceryList[1] = 'vegatables';
groceryList.push('flour'); // add an item to the end of the list
groceryList.pop(); // remove the item from the end of the list
groceryList.unshift('pizza'); // add an item to the beginning the of the list
groceryList.shift(); // add remove an item from the beginning of the list
console.log(groceryList);

let list = [3,4,32,4];
list.push(22);
list.push(11);
list.unshift(33);
list.unshift(12);
list[2] = 77;
console.log(list);

6-objects.js

let person = {
    name: 'Ash',
    age: 32,
    address: {
        street: '123 Main St.',
        city: 'Santa Rosa',
        state: 'CA'
    }
};

console.log(person.name);
console.log(person.address.street);
console.log(person['age']);

let pizza = {
    topping: 'Onions',
    cheese: 'Cheddar'
};

console.log(pizza.topping);
console.log(pizza.cheese);
console.log(pizza);

7-comparison.js

console.log(4 > 4, '4 > 4');
console.log(4 >= 4, '4 >= 4');
console.log(4 <= 4, '4 <= 4');
console.log(4 < 4, '4 < 4');
console.log(4 == 4, '4 == 4');
console.log(4 != 4, '4 != 4');
let age = 33;
let oldEnough = age > 18;
console.log(oldEnough, 'oldEnough variable');
let favoriteNumber = 7;
console.log(favoriteNumber > 4, 'favoriteNumber > 4');
console.log(favoriteNumber >= 4, 'favoriteNumber >= 4');
console.log(favoriteNumber < 4, 'favoriteNumber < 4');
console.log(favoriteNumber <= 4, 'favoriteNumber <= 4');
console.log(favoriteNumber == 4, 'favoriteNumber == 4');
console.log(favoriteNumber != 4, 'favoriteNumber != 4');

8-not.js

// console.log(!true);
// console.log(!false);

let darkTheme = true;
darkTheme = !darkTheme;
console.log(darkTheme);

let tooMuchPizza = false;
tooMuchPizza = !tooMuchPizza;
console.log(tooMuchPizza);

9-logical-operators.js

// console.log(5 > 4 && 5 < 6 && "hi" == "hi");
// console.log(5 < 4 || 5 > 6);

// console.log(5 == 5 && 5 != 6);
// console.log(5 != 5 && "hi" == 'hi');
// console.log('3' == '3' && true == true);

console.log(4 > 30 || 'hi' == 'hi');
console.log(23 == 30 || 23 != 23);
console.log('bill' == 'bill' || 'tom' == 'ben');

very good

Thx a lot this course was very helpfull