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@@ -0,0 +1,249 @@
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+"use strict";
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+
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+let userSize = prompt("Введите название задания", "");
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+switch (userSize) {
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+ case "switch: sizes":
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+ let userSize = prompt("Введите Ваш размер одежды", "");
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+ switch (userSize) {
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+ case "40":
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+ alert("S");
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+ break;
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+ case "42":
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+ alert("M");
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+ break;
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+ case "46":
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+ alert("L");
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+ break;
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+ case "50":
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+ alert("XL");
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+ break;
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+ case "54":
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+ alert("XXL");
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+ break;
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+ default:
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+ alert("Вы ввели некоректные данные");
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+ }
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+ break;
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+ case "switch: if":
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+ let color = prompt("Введите цвет", "");
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+
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+ if (color == "red") {
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+ document.write("<div style='background-color: red;'>красный</div>");
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+ document.write("<div style='background-color: black; color: white;'>черный</div>");
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+ } else if (color == "black") {
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+ document.write("<div style='background-color: black; color: white;'>черный</div>");
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+ } else if (color == "blue") {
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+ document.write("<div style='background-color: blue;'>синий</div>");
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+ document.write("<div style='background-color: green;'>зеленый</div>");
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+ } else if (color == "green") {
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+ document.write("<div style='background-color: green;'>зеленый</div>");
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+ } else {
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+ document.write("<div style='background-color: gray;'>Я не понял</div>");
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+ }
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+ break;
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+ case "prompt: or":
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+ let dataNow = new Date();
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+ let userAge = prompt("Сколько Вам лет?", "");
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+
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+ if (userAge == null || userAge == "" || isNaN(userAge)) {
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+ alert("Вы ввели некорректные данные");
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+ } else {
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+ let userYear = dataNow.getFullYear() - userAge;
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+ alert(`Вы родились в ${userYear} году`);
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+ }
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+ break;
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+ case "confirm: or this days":
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+ let userAnswer = confirm("Шопинг?", "") || alert("ты - бяка");
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+ break;
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+ case "confirm: if this days":
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+ let answerUser = confirm("Шопинг?", "");
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+ if (answerUser) {
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+ alert("Супер!");
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+ } else {
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+ alert("ты - бяка");
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+ }
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+ break;
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+ case "triple prompt":
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+ let userName = prompt("Введите Ваше имя ", ""),
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+ userSurname = prompt("Введите Вашу фамилию ", ""),
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+ userPatronymic = prompt("Введите Ваше отчество ", "");
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+
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+ if (userName && userSurname && userPatronymic != null) {
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+ alert(userSurname + " " + userName + " " + userPatronymic);
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+ } else {
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+ alert("Вы ввели некорректные данные");
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+ }
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+ break;
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+ case "default: or":
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+ let nameUser = prompt("Введите Ваше имя ", "") || "Екатерина",
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+ surnameUser = prompt("Введите Вашу фамилию ", "") || "Плюшкина",
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+ patronymicUser = prompt("Введите Ваше отчество ", "") || "Николаевна";
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+
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+ console.log(nameUser);
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+ console.log(surnameUser);
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+ console.log(patronymicUser);
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+ break;
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+ case "default: if":
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+ let guestName = prompt("Введите Ваше имя ", ""),
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+ guestSurname = prompt("Введите Вашу фамилию ", ""),
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+ guestPatronymic = prompt("Введите Ваше отчество ", "");
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+
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+ if (!guestName) {
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+ guestName = "Екатерина";
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+ }
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+ if (!guestSurname) {
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+ guestSurname = "Плюшкина";
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+ }
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+ if (!guestPatronymic) {
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+ guestPatronymic = "Николаевна";
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+ }
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+ alert(guestName + " " + guestSurname + " " + guestPatronymic);
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+ break;
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+ case "login and password":
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+ let trueLogin = "admin",
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+ truePassword = "qwerty",
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+ userLogin = prompt("Введите логин", "");
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+
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+ if (userLogin == trueLogin) {
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+ alert("Поздравляю, логин верный");
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+ let userPassword = prompt("Введите пароль", "");
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+ if (userPassword != truePassword) {
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+ alert("Пароль неверный");
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+ } else {
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+ alert("Поздравляю, пароль верный");
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+ }
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+ } else {
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+ alert("Логин неверный");
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+ }
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+ break;
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+ case "currency calc":
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+ case "currency calc: improved":
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+ case "currency calc: two rates":
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+ let valuta = prompt("Выберите валюту USD или EUR", "").toLocaleLowerCase(),
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+ currencyType = confirm("Курс на продажу?"),
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+ currency;
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+
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+ switch (valuta) {
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+ case "usd":
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+ (currencyType) ? currency = 27.20: currency = 27.42;
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+ break;
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+ case "eur":
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+ (currencyType) ? currency = 32.17: currency = 32.54;
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+ break;
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+ default:
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+ alert("Вы ввели некоректные данные");
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+ }
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+
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+ if (currency) {
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+ let userSum = +prompt("Введите суму", ""),
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+ ukrainianMoney = userSum * currency;
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+ alert(`${ukrainianMoney.toFixed(2)} грн`);
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+ }
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+ break;
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+ case "currency calc: if":
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+ let userValuta = prompt("Выберите валюту USD или EUR", "").toLocaleLowerCase(),
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+ currencyPattern = confirm("Курс на продажу?"),
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+ actualValuta;
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+
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+ switch (userValuta) {
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+ case "usd":
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+ if (currencyPattern) {
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+ actualValuta = 27.20;
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+ } else {
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+ actualValuta = 27.42;
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+ };
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+ break;
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+ case "eur":
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+ if (currencyPattern) {
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+ actualValuta = 32.17;
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+ } else {
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+ actualValuta = 32.54;
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+ };
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+ break;
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+ default:
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+ alert("Вы ввели некоректные данные");
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+ }
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+
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+ if (actualValuta) {
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+ let userAmount = +prompt("Введите суму", ""),
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+ ukrMoney = userAmount * actualValuta;
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+ alert(`${ukrMoney.toFixed(2)} грн`);
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+ }
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+ break;
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+ case "scissors":
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+ let gameArr = ["камень", "ножницы", "бумага"],
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+ gameUserAnswer = confirm("Сыграем в игру камень/ножницы/бумага?", "");
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+
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+ if (gameUserAnswer) {
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+ let userVersion = prompt("Введи свой вариант", "").toLocaleLowerCase(),
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+ computerAnswear = 0 + (Math.floor(Math.random() * (3 + 0 - 0)));
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+
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+ if (userVersion != "камень" && userVersion != "ножницы" && userVersion != "бумага") {
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+ alert("Такого варианта не существует!")
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+ } else {
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+ if (userVersion == gameArr[computerAnswear]) {
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+ alert("Ничья");
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+ } else if (userVersion == "камень" && gameArr[computerAnswear] == "ножницы" ||
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+ userVersion == "бумага" && gameArr[computerAnswear] == "камень" ||
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+ userVersion == "ножницы" && gameArr[computerAnswear] == "бумага") {
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+ alert("Ура, ты победил!");
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+ } else {
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+ alert("Ты проиграл(");
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+ }
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+ }
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+ } else {
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+ alert("Ладно, сыграем в следующий раз");
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+ }
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+ break;
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+ case "Задание на синий пояс":
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+ let ratios = {
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+ usdBuy: 27.20,
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+ usdSale: 27.42,
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+ eurBuy: 32.17,
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+ eurSale: 32.54,
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+ currentCurrency: null,
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+ }
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+
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+ let currentValuta = prompt("Выберите валюту USD или EUR", "").toLocaleLowerCase(),
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+ userChoice = confirm("Курс на продажу?");
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+
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+ switch (currentValuta) {
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+ case "usd":
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+ if (userChoice) {
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+ ratios.currentCurrency = ratios.usdBuy;
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+ } else {
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+ ratios.currentCurrency = ratios.usdSale;
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+ };
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+ break;
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+ case "eur":
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+ if (userChoice) {
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+ ratios.currentCurrency = ratios.eurBuy;
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+ } else {
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+ ratios.currentCurrency = ratios.eurSale;
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+ };
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+ break;
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+ default:
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+ alert("Вы ввели некоректные данные");
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+ }
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+
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+ if (ratios.currentCurrency) {
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+ let sumUser = +prompt("Введите суму", ""),
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+ moneyUkr = sumUser * ratios.currentCurrency;
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+ alert(`${moneyUkr.toFixed(2)} грн`);
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+ }
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+ break;
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+ case "Задание на черный пояс":
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+ let age = prompt("Камень, ножницы или бумага?", ""),
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+ game = ["камень", "ножницы", "бумага", ],
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+ computerAnswear = 0 + (Math.floor(Math.random() * (3 + 0 - 0)));
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+
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+ let message = (age == game[computerAnswear]) ? 'Ничья!' :
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+ (age == "ножницы" && game[computerAnswear] == "бумага" ||
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+ age == "бумага" && game[computerAnswear] == "камень" ||
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+ age == "камень" && game[computerAnswear] == "ножницы") ? 'Ты победил!' :
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+ 'Ты проиграл!';
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+ alert(message);
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+ break;
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+ default:
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+ alert("Вы ввели некоректные данные");
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+}
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