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@@ -0,0 +1,116 @@
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+var taskName;
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+
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+// comprasion if
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+var age = +prompt("Сколько вам лет?","");
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+switch (true)
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+{
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+ case age <= 0: alert("то ли киборг, то ли ошибка");
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+ break;
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+ case age <= 18: alert("школьник");
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+ break;
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+ case age > 18 && age <= 30 : alert("молодежь");
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+ break;
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+ case age > 30 && age <= 45 : alert("зрелость");
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+ break;
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+ case age > 45 && age <= 60 : alert("Закат");
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+ break;
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+ case age > 60 : alert("как пенсия?");
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+ break;
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+ default: alert("то ли киборг, то ли ошибка");
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+}
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+
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+prompt: or
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+var data = 2019;
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+var age = prompt('Enter your age',"") || alert('Error!');
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+var answer = confirm("Did you have a birthday this year?");
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+var year;
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+if (answer){
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+year = data - age;
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+}
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+else {
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+ year = data - age - 1;
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+}
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+alert(year);
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+
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+// confirm: or this days
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+var robot = confirm ('Shopping?') || alert("Ты бяка!");
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+
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+// confirm: if this days
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+var robotIf = confirm ("Шопинг?");
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+if (robotIf){
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+}
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+else {
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+ alert("ТЫ БЯКА");
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+}
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+
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+// // triple prompt
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+var fio = {
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+ name: prompt('Enter your name',""),
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+ surname: prompt('Enter your surname',""),
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+ patronymic: prompt('Enter your patronymic',"")
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+}
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+alert(fio.surname + ' ' + fio.name + ' ' + fio.patronymic);
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+
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+// default: or
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+var fio = {
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+ name: prompt('Enter your name',"") || 'Иван',
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+ surname: prompt('Enter your surname',"") || 'Иванов',
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+ patronymic: prompt('Enter your patronymic',"") || 'Иванович'
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+}
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+alert(fio.surname + ' ' + fio.name + ' ' + fio.patronymic);
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+
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+// default: if
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+var fio = {
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+ name: prompt('Enter your name',""),
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+ surname: prompt('Enter your surname',""),
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+ patronymic: prompt('Enter your patronymic',"")
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+}
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+if (name === null) {
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+ name = 'Иван';
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+}
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+else if (surname === null) {
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+ surname = 'Иванов';
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+}
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+else if (patronymic === null) {
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+ patronymic = 'Иванович';
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+}
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+alert(fio.surname + ' ' + fio.name + ' ' + fio.patronymic);
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+
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+
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+
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+// login and password
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+var authorization = {
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+ loginRight: 'admin',
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+ passwordRight: 'qwerty'
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+}
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+var login;
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+var password;
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+login = prompt('input login','');
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+if (login === authorization.loginRight) {
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+ password = prompt('input password','');
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+}
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+if (password === authorization.passwordRight) {
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+ alert('Congratulation, you right!');
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+}
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+else {
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+ alert('Your login or password is bad');
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+}
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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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+ var currency = prompt("Введите валюту: usd или eur").toLowerCase(),
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+ exchangeRate, value, result;
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+ switch (currency) {
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+ case "usd": exchangeRate = confirm("Продажа?") ? 0.037 : 0.036;
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+ break;
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+ case "eur": exchangeRate = confirm("Продажа?") ? 0.033 : 0.032;
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+ break;
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+ default: exchangeRate = 1;
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+ alert("error");
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+ }
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+ value = +prompt("Сколько гривен?");
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+ result = parseFloat((value * exchangeRate).toFixed(2));
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+ alert(result + " " + currency);
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+
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+// var compChoice = Math.random();
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+// var userChoice = prompt ('Do yor choose stone, paper or scissors');
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