Renamed

2021-11-24 17:43:05 +05:30
parent 4d8e0309d4
commit cd1eff2fd2
4 changed files with 419 additions and 0 deletions
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 const myName = "Maaike";
 const myAge = 29;
 const coder = true;
 const message = "Hello, my name is "+myName+", I am "+myAge+" years old and I can code JavaScript: "+coder+"."; 
 console.log(message); 
@@ -0,0 +1,14 @@
 let myDistanceKM = 130;
 let myDistanceMiles = myDistanceKM * 1.60934;
 console.log('The distance of ' + myDistanceKM + ' kms is equal to ' + myDistanceMiles + ' miles')
 //1 inch = 2.54 centimeters.
 //2.2046 pounds in a kilo
 let inches = 72;
 let pounds = 180;
 let weight = pounds / 2.2046; // in kilos
 let height = inches * 2.54; // height in centemeters
 console.log(inches,pounds);
 console.log(weight, height);
 let bmi = weight/(height/100*height/100);
 console.log(bmi);
@@ -0,0 +1,126 @@
 /*
 Exercise 1
 const myList = ['Milk', 'Bread', 'Apples'];
 console.log(myList.length);
 myList[1] = 'Bananas';
 console.log(myList);
 Exercise 2
 const myList = [];
 myList.push('Milk', 'Bread', 'Apples');
 myList.splice(1, 1, 'Bananas', 'Eggs');
 const removeLast = myList.pop();
 console.log(removeLast);
 myList.sort();
 console.log(myList.indexOf('Milk'));
 myList.splice(1, 0, 'Carrots', 'Lettuce');
 const myList2 = ['Juice', 'Pop'];
 const finalList = myList.concat(myList2, myList2);
 console.log(finalList.lastIndexOf('Pop'));
 console.log(finalList);
 Exercise 3
 const myArr = [1, 2, 3];
 const bigArr = [myArr, myArr, myArr];
 console.log(bigArr[0][1]);
 console.log(bigArr[1][1]);
 console.log(bigArr[2][1]);
 console.log(bigArr);
 Exercise 4
 const myCar = {
    make: 'Toyota',
    model: 'Camry',
    tires: 4,
    doors: 4,
    color: 'blue',
    forSale: false
 };
 let propColor = 'color';
 myCar[propColor] = 'red';
 propColor = 'forSale';
 myCar[propColor] = true;
 console.log(myCar.make + ' ' + myCar.model);
 console.log(myCar.forSale);
 Exercise 5
 const people = {friends:[]};
 const friend1 = {first:'Laurence',last:'Svekis',id:1};
 const friend2 = {first:'Jane',last:'Doe',id:2};
 const friend3 = {first:'John',last:'Doe',id:3};
 people.friends.push(friend1,friend2,friend3);
 console.log(people);
 const theList = ['Laurence', 'Svekis', true, 35, null, undefined, {
        test: 'one',
        score: 55
    },
    ['one', 'two']
 ];
 theList.length;
 Array.isArray(theList);
 theList[1] = "hello World";
 theList.indexOf('Laurence');
 theList.push("new one push");
 theList.pop();
 theList.shift();
 theList.unshift("make me first");
 theList.splice(1, 2);
 console.log(theList);
 */
 const myArr1 = [1,3,5,6,8,9,15];
 console.log(myArr1.indexOf(0));
 console.log(myArr1.indexOf(3));
 //What is output in the console.
 //How do you replace the second element in an array myArr = [1,3,5,6,8,9,15] with the value 4?
 const myArr = [1,3,5,6,8,9,15]
 myArr.splice(1,1,4);
 console.log(myArr);
 const myArr2 = [];
 myArr2[10] = 'test'
 console.log(myArr2);
 console.log(myArr2[2]);
 //What is output in the console.
 const myArr3 = [3,6,8,9,3,55,553,434];
 myArr3.sort();
 myArr3.length = 0;
 console.log(myArr3[0]);
 //What is output in the console.
 Final Project
 const inventory = [];
 const item3 = {
    name: 'computer',
    model: 'imac',
    cost: 1000,
    qty: 3
 }
 const item2 = {
    name: 'phone',
    model: 'android',
    cost: 500,
    qty: 11
 }
 const item1 = {
    name: 'tablet',
    model: 'ipad',
    cost: 650,
    qty: 1
 }
 inventory.push(item1, item2, item3);
 console.log(inventory);
 let total = 0;
 inventory.forEach(el => {
    total += el.qty;
 })
 console.log(total);
@@ -0,0 +1,274 @@
 //Exercise 1
 /*
 const test = false;
 console.log((test));
 if(test){
    console.log("Its True");
 }
 if(!test){
    console.log("False now");
 }
 //Exercise 2
 let age = 10;
 let cost = 0;
 let message;
 if (age < 3) {
    cost = 0;
    message = "Access is free under three.";
 } else if (age >= 3 && age < 12) {
    cost = 5;
    message ="With the child discount, the fee is 5 dollars";
 } else if (age >= 12 && age < 65) {
    cost = 10;
    message ="A regular ticket costs 10 dollars.";
 } else {
    cost = 7;
    message ="A ticket is 7 dollars.";
 }
 console.log(message);
 console.log("Your Total cost "+cost);
 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 computer = Math.floor(Math.random() * 3); 
 let player = Math.floor(Math.random() * 3); 
 let message = "player " + myArr[player] + " vs computer " + myArr[computer] + " "; 
 if (player === computer) { 
    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);
 */
 const userNames = ["Mike", "John", "Larry"]; 
 const userInput = "John"; 
 let htmlOutput = ""; 
 if (userNames.indexOf(userInput) > -1) { 
    htmlOutput = "Welcome, that is a user"; 
 } else { 
    htmlOutput = "Denied, was not a usernot true "; 
 } 
 console.log(htmlOutput + ":, " + userInput);