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+let exersice = prompt("Chose exersice: \n switch: sizes - 1 \n switch: if - 2 \n prompt: or - 3 \n confirm: or this days - 4 \n confirm: if this days - 5\n triple prompt + default: or - 6 \n default: if - 7 \n login and password - 8 \n currency calc + currency calc: improved + currency calc: two rates - 9\n corrency calc: if - 10 \n scissors - 11 \n blue belt - 12 \n black belt - 13" )
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+switch (exersice){
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+ case "1": searchSize(); break;
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+ case "2": color(); break;
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+ case "3": year(); break;
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+ case "4": Shopping(); break;
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+ case "5": ShoppingIf(); break;
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+ case "6": yourName(); break;
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+ case "7": yourNameSecond(); break;
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+ case "8": Log(); break;
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+ case "9": currencyCalc(); break;
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+ case "10": currencyCalc2(); break;
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+ case "11": scissors(); break;
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+ case "12": blueBelt(); break;
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+ case "13": blackBelt(); break;
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+ default: alert("Error. Try again")
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+}
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+
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+//////
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+////switch: sizes 1
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+ function searchSize (styleWear, firstMassive, firstSize) {
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+ sizeWear = {
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+ russia: [40, 42, 44, 46, 48, 50, 52, 54],
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+ USA: ["S", "M", "M", "L", "L", "XL", "XL", "XXL"]
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+ }
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+ womanSize = {
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+ russia: [42 ,44, 46, 48, 50, 52, 54, 56],
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+ USA: ["XXS", "XS", "S", "M", "L", "XL", "XXL", "XXXL"]
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+ }
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+ sizeStockings = {
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+ russia: [21, 21, 23, 23, 25, 25, 27],
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+ USA: [8, 8.5, 9, 9.5, 10, 10.5, 11]
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+ }
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+ styleWear = prompt("What size chart do you need?(dress/outerwear/pants - 1, lingerie - 2, tights/stockings - 3", "");
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+ switch (styleWear) {
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+ case "1": styleWear = sizeWear, firstMassive = sizeWear.russia; break;
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+ case "2": styleWear = womanSize, firstMassive = womanSize.russia; break;
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+ case "3": styleWear = sizeStockings, firstMassive = sizeStockings.russia; break;
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+ default: alert ("Error. Please try again");
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+ return
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+ }
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+ firstSize = +prompt("Please give me your size in Russia/Urkaine style");
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+ firstSize = firstMassive.indexOf(firstSize)
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+ if (firstSize == -1) {
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+ return alert("Error. Please check your data")
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+ }
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+ alert ("Your size in USA chart is " + styleWear.USA[firstSize])
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+}
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+// searchSize()
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+///////
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+
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+//////
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+////switch: if 2
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+function color() {
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+ let color = prompt("Введите цвет","");
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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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+ }
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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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+}
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+// color()
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+////////
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+
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+///////
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+///prompt: or 3
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+function year (yearBorn) {
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+ var today = new Date();
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+ var year = today.getFullYear();
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+ yearBorn = + prompt ("How old are you?");
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+ if (yearBorn == null || yearBorn == undefined || isNaN(yearBorn) || yearBorn == false) {
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+ return alert("Error. Please try again")
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+ } else {
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+ yearBorn = year - yearBorn;
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+ return alert ("The year when you're born is " + yearBorn)
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+ }
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+}
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+// year()
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+////////
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+
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+
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+/////
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+//confirm: or this days 4
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+function Shopping() {
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+ (confirm ("Шопинг?")) ? alert("Уиии") : alert("Ты - бяка")
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+}
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+// Shopping()
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+//////
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+
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+///////
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+//confirm: if this days 5
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+function ShoppingIf (answer) {
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+ answer = confirm("Шопинг?")
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+ if (answer === false) {
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+ return alert("ты-бяка")
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+ } else {
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+ return alert ("Уиии")
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+ }
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+}
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+// ShoppingIf()
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+////////
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+
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+////////
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+//triple prompt
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+//default: or 6
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+function yourName (surname, name, yourFather) {
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+ surname = prompt ("Напишите, пожалуйста, вашу фамилию")
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+ surname = surname ? surname : "Хренова"
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+ name = prompt("Напишите, пожалуйста, как вас зовут.")
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+ name = name ? name : "Гадя"
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+ yourFather = prompt ("Напишите, пожалуйста, ваше отчество")
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+ yourFather = yourFather ? yourFather : "Петрович"
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+ return alert ("Здравствуйте, " + name + " " + yourFather + " " + surname)
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+}
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+// yourName()
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+////////
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+
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+/////////
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+//defaut if 7
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+function yourNameSecond (surname, name, yourFather) {
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+ question1 = prompt ("Напишите, пожалуйста, вашу фамилию")
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+ if (question1 === null || question1 === "") {
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+ surname = "Хренова"
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+ } else { surname = question1}
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+ question2 = prompt("Напишите, пожалуйста, как вас зовут.")
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+ if (question2 === null || question2 === "") {
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+ name = "Гадя"
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+ } else { name = question2 }
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+ question3 = prompt ("Напишите, пожалуйста, ваше отчество")
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+ if (question3 === null || question3 === "") {
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+ yourFather = "Петрович"
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+ } else { yourFather = question3 }
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+ return alert ("Здравствуйте, " + name + " " + yourFather + " " + surname)
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+}
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+// yourNameSecond()
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+//////////
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+
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+////////
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+//login and password 8
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+function Log (yourLog, yourPass) {
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+ let login = "admin";
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+ let password = "qwerty";
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+ yourLog = prompt ("Please write correct login")
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+ if (yourLog === login){
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+ yourPass = prompt ("Please write correct password")
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+ if (yourPass === password) {
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+ alert ("Congratulations! You're in.")
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+ } else {
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+ alert ("Error. The password is wrong. Please try again")
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+ }
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+ } else {
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+ return alert ("Error. The login is wrong. Please try again")
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+ }
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+}
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+// Log()
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+//////////
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+
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+
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+//////////
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+///currency calc
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+////currency calc: improved
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+////currency calc: two rates 9
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+function currencyCalc (yourChoise, yourCount, result) {
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+ let usd = [28.31, 28.39];
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+ let eur = [33, 33.44];
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+ yourChoise = prompt("Please chose usd or eur.").toLowerCase();
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+ switch (yourChoise) {
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+ case "usd":yourChoise = usd; break;
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+ case "eur":yourChoise = eur; break;
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+ default: alert ("Error. Please try again");
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+ return
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+ }
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+ confirm ("If you want to buy click on 'ok' and on 'cancel' if want to sell") ? yourChoise = yourChoise[0] : yourChoise = yourChoise[1];
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+ yourCount = prompt("How much?");
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+ result = yourCount * yourChoise;
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+ (isNaN(result) ? alert ("Error. Please check your data") : alert ("Your result is " + result))
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+}
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+// currencyCalc()
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+/////////
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+
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+///////
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+//currency calc: if 10
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+function currencyCalc2 (yourChoise, yourCount, BuySell, result) {
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+ let usd = [28.31, 28.39];
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+ let eur = [33, 33.44];
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+ yourChoise = prompt("Please chose usd or eur.").toLowerCase();
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+ if (yourChoise == "usd") {
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+ yourChoise = usd
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+ } else if ( yourChoise == "eur") {
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+ yourChoise = eur
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+ } else {
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+ return alert("Error. Please try again")
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+ }
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+ BuySell = confirm ("If you want to buy click on 'ok' and on 'cancel' if want to sell")
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+ if (BuySell === true) {
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+ yourChoise = yourChoise[0]
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+ } else {
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+ yourChoise = yourChoise[1]
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+ }
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+ yourCount = prompt("How much?");
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+ if (isNaN(yourCount)) {
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+ return alert ("Error. Please cheack your data")
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+ } else {
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+ result = yourCount * yourChoise;
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+ return alert ("Your result is " + result)
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+ }
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+
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+}
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+// currencyCalc2()
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+////////
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+
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+///////
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+//scissors 11
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+function scissors (yourMove, myMove){
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+ let tools = ["rock", "scissors", "paper"];
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+ yourMove = prompt("Your move. Chose rock, scissors or paper").toLowerCase();
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+ switch (yourMove) {
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+ case "rock": yourMove = "rock"; break;
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+ case "scissors": yourMove = "scissors"; break;
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+ case "paper": yourMove = "paper"; break;
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+ default: alert ("Error. Try again");
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+ return
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+ }
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+ myMove = tools[Math.floor(Math.random() * tools.length)];
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+ if (yourMove === myMove) {
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+ return alert("Dead heat")
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+ } else if (yourMove == "rock"&& myMove == "scissors" || yourMove == "scissors"&& myMove == "paper" || yourMove == "paper"&& myMove == "rock" ) {
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+ return alert ("Congratulations. You're win")
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+ } else {
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+ return alert ("Sorry. You're lose")
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+ }
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+}
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+// scissors()
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+/////////
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+
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+//////
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+///Задание на синий пояс 12
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+function blueBelt() {
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+ fetch('https://api.exchangeratesapi.io/latest')
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+ .then(res => res.json())
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+ .then(d => {
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+ let yourChoisefirst = prompt("What do you want yo sell?").toUpperCase();
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+ (yourChoisefirst === "EUR") ? yourChoisefirst = 1 : yourChoisefirst = (1 / d.rates[yourChoisefirst]);
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+ let yourChoisesecond = prompt("What do you want to buy?").toUpperCase();
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+ (yourChoisesecond === "EUR") ? yourChoisesecond = 1 : yourChoisesecond = (1 / d.rates[yourChoisesecond]);
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+ let count = prompt("How much?");
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+ let howMuch = (yourChoisefirst / yourChoisesecond * count).toFixed(2);
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+ if (isNaN(howMuch)) {
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+ return alert ("Error. Please check your data")
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+ } else {
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+ return alert(howMuch)
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+ }
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+ })
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+}
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+// blueBelt()
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+////
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+
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+//////
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+///Черный пояс 13
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+function blackBelt (yourMove, myMove){
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+ let tools = ["rock", "scissors", "paper"];
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+ yourMove = prompt("Your move. Chose rock, scissors or paper").toLowerCase();
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+ myMove = tools[Math.floor(Math.random() * tools.length)];
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+ (yourMove === "rock" || yourMove === "paper" || yourMove === "scissors") ? ((yourMove === myMove) ? alert ("Dead heat") : (yourMove == "rock"&& myMove == "scissors" || yourMove == "scissors"&& myMove == "paper" || yourMove == "paper"&& myMove == "rock" ) ? alert("You're win") : alert ("You're lose")) : alert ("Error. Try again")
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+}
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+// scissors2()
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+//////
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