maryluis
/
homeworks_Second_modul


			
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/// Я тут почти все обернула в функции, чтобы при проверке не переключать кучу алертов.


        //Number: age
        function year (age) {
            var yearBorn;
            var today = new Date();
            var year = today.getFullYear();
            age = prompt ("How old are you?");
            yearBorn = year - age;
            alert ("The year when you're born is " + yearBorn)
        }
        // year()
        //
        //Number: temperature
        function temperature (firstTemperature) {
            var yourResult;
            firstTemperature = prompt ("How many degrees?")
                if (isNaN (firstTemperature)) {
                    return alert ("Error. Please write a numver")
                }
                secondTemperature()
            function secondTemperature (styleof) {
                styleOf = prompt ("What kind of calculus scale of temperature it is?(celsius or fahrenheit)");
                if (styleOf == "fahrenheit") {
                    yourResult = Math.round((firstTemperature - 32) * 5/9);
                    return alert ("Your result is " + yourResult)
                }
                else if (styleOf == "celsius") {
                    yourResult = Math.round((firstTemperature * 9/5) + 32);
                    return alert ("Your result is " + yourResult)
                } else {
                    alert ("Please chose celsius of fahrenheit calculus scale.")
                    return secondTemperature()
                } 
            }

        }
        // temperature()
                //
        // Number: divide
        function divide (first, second) {
            var result;
            first = prompt ("Please chose your first numver.");
            if (isNaN (first)) {
                    return alert ("Error. Please write a numver")
                }
            second = prompt ("Please chose your second number.");
            if (isNaN (second)) {
                    return alert ("Error. Please write a numver")
                }
            result = Math.round(first / second);
            return alert ("Your result is " + result);
        }
        // divide ()
        //
        //Number: odd
        function numberOdd (question) {
            question = +prompt("Give me your number");
            if (isNaN (question)) {
                return alert ("Error. Please write a number");
            } else if (question % 2 == 0) {
                return alert ("Even number")
            } else {
                return alert ("Odd number")
            }
        }
        // numberOdd ()

        //
        //String: greeting
        function greeting (name) {
            name = prompt ("What is your name?");
            return alert ("Hello, " + name)
        }
        // greeting ()
        //
        //String: lexics
        function lexics (string) {
            string = prompt ("Напишите свое отчество?");
            if (string.indexOf("вна") === -1 && string.indexOf("вич") === -1) {
                 alert ("Вы уверены?")
            } else {
                return alert ("Красивое ;)")
            }
        }
        // lexics () 
        //
        //confirm
        function whatConfirm (object) {
            object = confirm ("Push the button please");
            alert ("Confirm returns " + typeof(object))
        }
        //Возвращает true или false (смотря какую кнопку нажать) - булевый тип данных
        // whatConfirm()
        //
        //Boolean
        // Boolean if
        function whoYouAre (male, age, animal, music) {
            male = confirm ("Are you a woman?");
            if (male == true) {
                male = "woman";
            } else {
                male = "men";
            }
            age = confirm ("Are you older than 35 years old?");
            if (age == true) {
                age = "several age";
            } else {
                age = "young";
            }
            animal = confirm ("Do you like cats more than dogs?");
            if (animal == true) {
                animal = "cats";
            } else {
                animal = "dogs";
            }
            music = confirm ("Do you like classical music?");
            if (music == true) {
                music = "like";
            } else {
                music = " don't like";
            }
            alert ("You're " + age + " " + male + " who prefer " + animal + " and " + music  + " classical music.")
        }
        // whoYouAre ()
        //
        // Array: real
        // серии сериальчиков, продукты в холодильнике, одежда в шкафу.
        //
        // Array: booleans
        var male = "woman";
        var age = 26;
        var animal = "dogs";
        var music = "classical";
        var arrayBooleans = [male, age, animal, music];
        //
        // Array: plus
        var arrayPlus = [12, 16, 18, 20];
        function massivePlus (result) {
            result = arrayPlus[0] + arrayPlus[1];
            arrayPlus[2] = result;
            alert ( arrayPlus)
             return alert (arrayPlus[2])
        }
        // massivePlus() 
        // после этой функции 2й индекс массива замещается новым значением. При этом предыдущее значение не сдвигается, а исчезаетв
        //Array: plus string
        var arrayPlusString = ["12", "16", "18", "20"];
        function massivePlusString (result) {
            result = arrayPlusString[0] + arrayPlusString[1] + arrayPlusString[2]
            arrayPlusString[2] = result;
            alert ( arrayPlusString)
             return alert (arrayPlusString[2])
        }
        // massivePlusString()
        //Возможно это пригодится при создании дат, номеров телефонов и прочего? Если в том же prompt будут вводить строки из цифр.
        //
        //Object: real
        {
        var dog  = {
            name: "Vero",
            breed: "german shepherd",
            type: "shorthaired",
            age: 3,
            toys: ["ball", "bone", "knot"]
        }
        }
        //
        //Object: change
        function dog() {
            var dog  = {
                name: "Vero",
                breed: "german shepherd",
                type: "shorthaired",
                age: 3,
                toys: ["bone", "knot", "ball"]
            }
            alert ("Vero's " + dog.age + " years old")
            dog.age = 4;
            alert ("Oups, now Vero's " + dog.age + " years old");
            alert ("Her favorite toys are " + dog.toys[0] + ", " + dog.toys[1] + ", and " + dog.toys[2])
            dog.toys.pop()
            dog.toys.push("wheel")
            alert ("She broked a one toy. So her favorite toys are " + dog.toys[0] + ", " + dog.toys[1] + ", and " + dog.toys[2] + " now")
        }
        // dog()
        //
        //Comparison if
        function comparisonIf () {
            var age = +prompt("Сколько вам лет?","");
            if (age <= 0) {
                alert ("Простите, но мне кажется вы врете -_-")
            }
            else if ((age > 0) && (age <= 18)) {
                alert("школьник");
            }
            else if ((age > 18) && (age <= 30)){
                alert("молодеж");
            }
            else if ((age > 30) && (age <= 45)){
                alert("зрелость");
            }
            else if ((age > 45) && (age <= 60)){
                alert("закат");
            }
            else if (age >= 60){
                alert("как пенсия?");
            }
            else {
                alert("то ли киборг, то ли ошибка"); 
            }
        }
        // comparisonIf()
        // это я добавила скобки, насколько поняла
        function comparisonIfSecond () {
            var age = +prompt("Сколько вам лет?","");
            if (age <= 0) {
                alert ("Простите, но мне кажется вы врете -_-")
            }
            else if (age <= 18) {
                alert("школьник");
            }
            else if (age <= 30) {
                alert("молодеж");
            }
            else if (age <= 45) {
                alert("зрелость");
            }
            else if (age <= 60 ) {
                alert("закат");
            }
            else if (age > 60) {
                alert("как пенсия?");
            }
            else {
                alert("то ли киборг, то ли ошибка"); 
            }
        }
        /////
        ///Comparison: sizes
        ///Comparison: object
        function searchSize (styleWear, firstMassive, firstSize) {
            sizeWear = {
                russia: [40, 42, 44, 46, 48, 50, 52, 54],
                USA: ["S", "M", "M", "L", "L", "XL", "XL", "XXL"]
            }
            womanSize = {
                russia: [42 ,44, 46, 48, 50, 52, 54, 56],
                USA: ["XXS", "XS", "S", "M", "L", "XL", "XXL", "XXXL"]
            }
            sizeStockings = {
                russia: [21, 21, 23, 23, 25, 25, 27],
                USA: [8, 8.5, 9, 9.5, 10, 10.5, 11]
            }
            styleWear = prompt("What size chart do you need?(dress/outerwear/pants - 1, lingerie - 2, tights/stockings - 3");
            if (styleWear === "1") {
                styleWear = sizeWear
                firstMassive = sizeWear.russia
            } else if (styleWear === "2") {
                styleWear = womanSize
                firstMassive = womanSize.russia
            } else if (styleWear === "3") {
                styleWear = sizeStockings
                firstMassive = sizeStockings.russia
            } else {
                return alert ("Error. Please try again")
            }
            firstSize = +prompt("Please give me your size in Russia/Urkaine style");
            firstSize = firstMassive.indexOf(firstSize)
            if (firstSize == -1) {
                return alert("Error. Please check your data")
            }
            alert ("Your size in USA chart is " + styleWear.USA[firstSize])
        }
        // searchSize()
        ////
        ///Ternary
        (confirm ("Are you a woman?")) ? alert("You're woman") : alert("You're man")

    </script>
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