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- //switch: sizes
- let color = prompt("Введите размер", "");
- switch (color){
- case "40": document.write("<div> AmericanSize - 6 </div>");
- break;
- case "42": document.write("<div> AmericanSize - 8 </div>");
- break;
- case "44": document.write("<div> AmericanSize - 10 </div>");
- break;
- case "46": document.write("<div> AmericanSize - 12 </div>");
- break;
- case "48": document.write("<div> AmericanSize - 14 </div>");
- break;
- case "50": document.write("<div> AmericanSize - 16 </div>");
- break;
- case "52": document.write("<div> AmericanSize - 18 </div>");
- break;
- case "54": document.write("<div AmericanSize - 20</div>");
- break;
- default: document.write("<div> Razmer ne ukazan </div>");
- }
- //switch: if
- let color1 = prompt("Введите цвет", "");
- if (color1 === "red") {
- document.write("<div style='background-color: red;'>RED</div>");
- }
- else if (color1 === "black") {
- document.write("<div style='background-color: black; color: white;'>BLACK</div>");
- }
- else if (color1 === "blue") {
- document.write("<div style='background-color: blue; color: pink;'>BLUE</div>");
- }
- else if (color1 === "green") {
- document.write("<div style='background-color: black; color: red;'>GREEN</div > ");
- } else {
- document.write("<div style='background-color: gray;'>Я не понял</div>");
- }
- //prompt: or
- let year = prompt("Какого года вы рождения?")
- if (year === "" || year === null) {
- alert("Вы бокопор!")
- }
- else {
- age = 2022 - year;
- alert(`Вам ${age} лет`);
- }
- //confirm: or this days
- let rob = confirm("Шопинг?") ? alert("GO") : alert("Ты бяка");
- //confirm: if this days
- let question = confirm("На шопинг ?")
- if (question === true) {
- alert("GO")
- } else {
- alert("Сиди дома")
- }
- // triple prompt
- let name1 = prompt("Пиши имя");
- let surname = prompt("Пиши фамилию");
- let middleName = prompt("Пиши отчество")
- alert(name1 + " " + surname + " " + middleName);
- //default: or
- let nameDEF = "Vanek";
- let surnameDEF = "Ivanov";
- let middleNameDEF = "Ivanovich";
- let name2 = prompt("Пиши имя") || nameDEF;
- let surname2 = prompt("Пиши фамилию") || surnameDEF ;
- let middleName2 = prompt("Пиши отчество") || middleNameDEF;
- alert(name2 + " " + surname2 + " " + middleName2);
- //default: if нашаманил шото не знаю как
- let nameDEFo = "Vanek";
- let surnameDEFo = "Ivanov";
- let middleNameDEFo = "Ivanovich";
- let name3 = prompt("Пиши имя")
- if (name3 === null || name3 === "" ) {
- name3 = nameDEFo
- } else {
- name3
- }
- let surname3 = prompt("Пиши фамилию")
- if (surname3 === null || surname3 === "" ) {
- surname3 = surnameDEFo
- } else {
- surname3
- }
- let middleName3 = prompt("Пиши фамилию")
- if (middleName3 === null || middleName3 === "" ) {
- middleName3 = surnameDEFo
- } else {
- middleName3
- }
- alert(name3 + " " + surname3 + " " + middleName3);
- //login and password
- let login = prompt("Введите логин")
- if (login === "admin") {
- alert(" Congratulations ")
- } else {
- alert("Error")
- }
- let password = prompt("Введите пароль")
- if (password === "qwerty") {
- alert(" Congratulations ")
- } else {
- alert("Error")
- }
- //currency calc
- let currency = prompt("Enter currency `usd` or `eur`")
- let kurs = ""
- switch (currency) {
- case "usd": kurs = 36.8
- break;
- case "eur": kurs = 37.69
- break;
- }
- let grn = prompt("Сколько хотите перевести? грн")
- let result = kurs / grn
- let sum = alert(`Вот вам ${result}`)
- //currency calc: improved
- let currency1 = prompt("Enter currency `usd` or `eur`")
- let kurs1 = ""
- switch (currency1.toLowerCase()) {
- case "usd": kurs1 = 36.8
- break;
- case "eur": kurs1 = 37.69
- break;
- }
- let grn1 = prompt("Сколько хотите перевести? грн")
- let result1 = kurs1 / grn1
- let sum1 = alert(`Вот вам ${result1}`)
- //currency calc: two rates ????
- //let money = confirm("Usd покупка?") ?
- //let vibor = confirm("Покупка или продажа?")
- //currency calc: if
- let change = prompt("Покупка или продажа ?")
- let change1 = prompt("usd или eur ?")
- let kursUsdKup = 40
- let kursUsdProd = 36
- let kursEurKup = 45
- let kursEurProd = 37
- let result3 = +prompt("Сколько грн?")
- if (change === "покупка" && change1 === "usd") {
- alert(`Купил = ${result3 / kursUsdKup} `)
- } else if
- (change === "продажа" && change1 === "usd") {
- alert(`Продал = ${result3 * kursUsdProd}`)
- }
- else if (change === "покупка" && change1 === "eur") {
- alert(`Купил = ${result3 / kursEurKup}`)
- } else if (change === "продажа" && change1 === "usd") {
- alert(`Продал = ${result3 * kursEurProd}`)
- } else if (change === "продажа" && change1 === "eur") {
- alert(`Продал = ${result3 * kursEurProd}`)
- }
- //scissors
- debugger
- let myChoise = +prompt("Выберите свой вариант Камень - 1 , Ножницы - 2, Бумага - 3")
- let compChoise = Math.ceil(Math.random() * 3)
- alert(compChoise)
- if (myChoise === 1 && compChoise === 2 || myChoise === 2 && compChoise === 3 || myChoise === 3 && compChoise === 1) {
- alert("You win!!!");
- } else if (myChoise === 2 && compChoise === 1 || myChoise === 3 && compChoise === 2 || myChoise === 1 && compChoise === 3) {
- alert("You lose!!!")
- } else {
- alert("Ничья!!!")
- }
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