HW-1-6/hw2.js

//**************1******************
var color = prompt("Введите цвет", "");
if (color == "red") {
    document.write("<div style='background-color: red;'>красный</div>");
}
else if (color == "black") {
    document.write("<div style='background-color: black; color: white;'>черный</div>");
}
else if (color == "blue") {
    document.write("<div style='background-color: blue;'>синий</div>");
}
else if (color == "green") {
    document.write("<div style='background-color: green;'>зеленый</div>");
}
else {
    document.write("<div style='background-color: gray;'>Я не понял</div>");
}
//**************2 and 4 and 5******************
var age = prompt("enter your age", "");
if (age => 0 && age <= 100) {
    alert("good work!");
}
else {
    alert("enter again");
}
alert("something");
if (age <= 10) {
    alert("Привет сопля" + ",иди спать, детское время закончилось");
}
else if (age <= 20 && age > 10) {
    alert("Privet, хорошее время для прогулки");
}
else if (age <= 30 && age > 20) {
    alert("Приветсвую, хороший сегодня вечер");
}
else if (age <= 40 && age > 30) {
    alert("Здравствуйте, прекрасный вечер");
}
else if (age < 100 && age >= 50) {
    alert("Здравствуйте многоувожаемый старый мурдый человек, самое время для беседы");
}
//**************3******************
let dec = 31, oct = 31, aug = 31, jul = 31, may = 31, march = 31, jan = 31, nov = 30, sept = 30, jun = 30, apr = 30,
    feb = 29;
let month = prompt("choose the month");
switch (month) {
    case "jan":
        alert("in January are " + jan + "days");
        break;
    case "feb":
        alert("in February are " + feb + "days");
        break;
    case "march":
        alert("in March are " + march + "days");
        break;
    case "apr":
        alert("in April are " + apr + "days");
        break;
    case "may":
        alert("in May are " + may + "days");
        break;
    case "jun":
        alert("in Jun are " + jun + "days");
        break;
    case "jul":
        alert("in July are " + jul + "days");
        break;
    case "aug":
        alert("in August are " + aug + "days");
        break;
    case "sept":
        alert("in September are " + sept + "days");
        break;
    case "nov":
        alert("in November are " + nov + "days");
        break;
    case "oct":
        alert("in October are " + oct + "days");
        break;
    case "dec":
        alert("in December are " + dec + "days");
        break;
    default:
        alert("try again");
}
//**************6******************
var a = {
    tagName: 'body',
    subTags: b = {
        tagName: 'div',
        subTags: s = {
            tagName: 'span',
            text: 'Enter a data please'
        },
        subTags: br = {
            tagName: 'br',
        },
        subTags: input1 = {
            tagName: 'input',
            attrs: 'type=\'text\' id=\'name\''
        },
        subTags: input2 = {
            tagName: 'input',
            attrs: 'type=\'text\' id=\'surname\''
        }
    },
    subTags: c = {
        tagName: 'div',
        subTags: button1 = {
            tagName: 'button',
            text: 'OK',
            attrs: ' id=\'ok\''
        },
        subTags: button2 = {
            tagName: 'button',
            text: 'Cancel',
            attrs: ' id=\'cancel\''
        }
    }
}
//**************7******************
var notebook = {
    brand: prompt("Enter a brand"),
    type: prompt("Enter a type"),
    model: prompt("Enter a model"),
    ram: prompt("Enter a ram"),
    size: prompt("Enter a size"),
    weight: prompt("Enter a weight"),
    resolution: {
        width: prompt("Enter a width"),
        height: prompt("Enter a height"),
    },
};

var phone = {
    brand: prompt("Enter a brand"),
    model: prompt("Enter a model"),
    ram: prompt("Enter a ram"),
    color: prompt("Enter a color"),
};

var person = {
    name: prompt("Enter a name"),
    surname: prompt("Enter a surname"),
    married: confirm("married?"),
}
//**************8******************
do {
    var a = confirm("enter your choice");
} while (a == false);
//**************9******************
let num = prompt("enter your number",);
nextPrime:
    for (let i = 2; i <= num; i++) {
        for (let j = 2; j < i; j++) { // проверить, делится ли число..
            if (i % j == 0) continue nextPrime; // не подходит, берём следующее
        }

        alert(i); // простое число
    }
//**************10******************
for (let i = 0; true; i++) if (Math.random() > 0.9) {
    alert(++i);
    break;
}
//**************11******************
let numb = prompt("enter number (it will chetnoe or nechotnoe)",);
var a = '';
for (var i = 0; i < numb; i++) {
    a += '#';
}
console.log(a);
//**************12******************
var numb = prompt("enter length of array",);
var array = [];
for (var i = 0; i < numb; i++) {
    array.push(Math.pow(i + 1, 3));
}
console.log(array);