JavaScript-from-Beginner-to-Professional/chapter 4 code

//Exercise 1
/*
const test = false;
console.log((test));
if(test){
    console.log('Its True');
}
if(!test){
    console.log('False now');
}

//Exercise 2

let age = prompt("How old are you?");
age = Number(age);
let message;
if(age >= 21){
    message = 'You can enter and drink.';
}else if(age >= 19){
    message = 'You can enter but not drink.';
}else{
    message = 'You are not allowed in!';
}
console.log(message);


//Exercise 3
const id = true;
const message = (id) ? 'Allowed In' : 'Denied Entry';
console.log(message);



//Exercise 4
let prize = prompt('Pick a number 0-10');
prize = Number(prize);
let output = 'My Selection: ';
switch (prize){
    case 0: 
        output += 'Gold ';
    case 1:
        output += 'Coin ';
        break;
    case 2:
        output += 'Big ';
    case 3:
        output += 'Box of ';
    case 4:
        output += 'Silver ';
    case 5:
        output += 'Bricks ';
        break;
    default:
        output += 'Sorry Try Again';
}
console.log(output);


//Project 1
let answer = "Something went wrong";
let question = prompt("Ask me anything");
const randomNumber = Math.floor(Math.random() * 6);
switch (randomNumber) {
    case 0:
        answer = "It will work out";
        break;
    case 1:
        answer = "Maybe maybe not";
        break;
    case 2:
        answer = "Probably not";
        break;
    case 3:
        answer = "Highly likely";
        break;
    default:
        answer = "I don't know about that";
}
let output = "You asked me " + question + ". I think that " + answer;
console.log(output);


const myArr = ['Rock', 'Paper', 'Scissors'];
let output = 'Do you choose (0)' + myArr[0];
output += ' (1)' + myArr[1];
output += ' (2)' + myArr[2];
let player = prompt(output);
//let player = Math.floor(Math.random() * 3);
player = Number(player);
let win;
let computer = Math.floor(Math.random() * 3);
let message = "player " + myArr[player] + " vs computer " + myArr[computer] + " ";
//console.log(message);
if (player === computer) {
    win = false;
    message += 'its a tie';
} else if (player > computer) {
    if (computer == 0 && player == 2) {
        message += 'Computer Wins';
    } else {
        message += 'Player Wins';
    }
} else {
    if (computer == 2 && player == 0) {
        message += 'Player Wins';
    } else {
        message += 'Computer Wins';
    }
}
console.log(message);



//Question 1

const q = 1;

switch (q) {
    case '1':
        answer = "one";
    case 1:
        answer = 1;
    case 2:
        answer = "this is the one";
        break;
    default:
        answer = "not working";
}
console.log(answer);


let myTime = 9;
let output;
if (myTime >= 8 && myTime < 12) {
    output = "Wake up its morning";
} else if (myTime >= 12 && myTime < 13) {
    output = "go to Lunch";
} else if (myTime >= 13 && myTime <= 16) {
    output = "Go to work";
} else if (myTime > 16 && myTime < 20) {
    output = "Dinner Time";
} else if (myTime >= 22) {
    output = "Time to go to sleep";
} else {
    output = "You should be sleeping";
}
console.log(output);



let today = prompt('pick a number');
today = Number(today);
let output;
switch (today) {
case 0:
  output = "Sunday";
  break;
case 1:
  output = "Monday";
  break;
case 2:
  output = "Tuesday";
  break;
case 3:
  output = "Wednesday";
  break;
case 4:
  output = "Thursday";
  break;
case 5:
  output = "Friday";
  break;
case 6:
  output = "Saturday";
  break;
default:
  output = "Not found";
}
console.log('Today is '+output);



let val = 100;
let message = (val > 100) ? '${val} was greater than 100' : '${val} was LESS or Equal to 100';
console.log(message);
let check = (val % 2) ? 'Odd' : 'Even';
check = '${val} is ${check}';
console.log(check);

let a = 5; 

let b = 10; 

let c = 20; 

let d = 30; 

console.log(a > b || b > a); 

console.log(a > b && b > a); 

console.log(d > b || b > a); 

console.log(d > b && b > a); 



let age = prompt('How old are you?');
age = Number(age);
if (!age) {
    age = prompt('Enter a Number?');
}
let message;
if (age >= 21) {
    message = 'You are ' + age + ' and allowed to come in and drink.';
} else if (age >= 18) {
    message = 'You are ' + age + '  and allowed to come in but NOT drink.';
} else {
    message = 'You are NOT allowed in.  Sorry you are only ' + age + ' ';
}
console.log(message);

let val = prompt('what number?');
val = Number(val);
let num = 100;
let message = "nothing";
if (val > num) {
    message = val + '  was greater than ' + num;
} else if (val == num) {
    message = val + '  was equal to ' + num;
} else {
    message = val + ' is less than ' + num;
}
console.log(message);

let person = prompt('Enter a name?');
let message;
switch (person) {
    case "John" :
    case "Larry" :
    case "Jane" :
    case "Laurence" :
    message = person +' is my friend';
    break;
    default :
    message = 'I don\'t know '+person;
}
console.log(message);

*/