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); 
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+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);
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+/*
+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);