//switch: sizes
let color = prompt("Введите размер", "");
switch (color){
case "40": document.write("
");
break;
default: document.write("
Razmer ne ukazan
");
}
//switch: if
let color1 = prompt("Введите цвет", "");
if (color1 === "red") {
document.write("
RED
");
}
else if (color1 === "black") {
document.write("
BLACK
");
}
else if (color1 === "blue") {
document.write("
BLUE
");
}
else if (color1 === "green") {
document.write("
GREEN
");
} else {
document.write("
Я не понял
");
}
//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!!!")
}