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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Home_Task #5. Prokhorova Anna</title>
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</head>
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<body>
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<script>
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// 1. Создать объект Point, содержащий два свойства: "x" и "y" — координаты точки, и метод GetQuadrant, вычисляющий,
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// в каком квадранте в декартовой системе координат находится данная точка.
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// Протестируйте данный объект, изменяя значения его координат, и повторно вызавая метод GetQuadrant.
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a = +prompt("Enter coordinates (x):");
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b = +prompt("Enter coordinates (y):");
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if (isNaN(a) || isNaN(b)) {
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console.log("It isn't number!");
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}
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var point = {x: a, y: b};
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var GetQuadrant = function(x, y) {
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if (point.x > 0 && point.y > 0) {
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console.log("Point in the first quadrant");
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}
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else if (point.x > 0 && point.y < 0) {
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console.log("Point in the second quadrant");
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}
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else if (point.x < 0 && point.y < 0) {
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console.log("Point in the third quadrant");
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}
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else if (point.x < 0 && point.y > 0 ) {
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console.log("Point in the fourth quadrant");
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}
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else if (point.x == 0 && point.y == 0) {
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console.log("This is origin");
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}
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}
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GetQuadrant();
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</script>
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<script>
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// 2. Создать объект Calculator, который должен содержать методы для расчета суммы, разности, произведения и частного двух чисел.
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// Протестировать данный объект, принимая от пользователя значения двух операндов и знак операции.
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// В зависимости от принятого знака операции, вызвать соответствующий метод.
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var calculator = {
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sum: function (a, b) {
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var result = a + b;
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console.log(result);
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},
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sub: function (a, b) {
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var result = a - b;
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console.log(result);
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},
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mul: function (a, b) {
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var result = a * b;
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console.log(result);
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},
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div: function (a, b) {
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var result = a / b;
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console.log(result);
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},
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}
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var a = +prompt("Input first operand:");
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var sign = prompt("Input sign:");
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var b = +prompt("Input second operand:");
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if (isNaN(a) || isNaN(b)) {
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console.log("One of arguments is not a number!");
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}
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if (sign == "+") {
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calculator.sum(a, b);
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} else if (sign == "-") {
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calculator.sub(a, b);
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} else if (sign == "*") {
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calculator.mul(a, b);
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} else if (sign == "/") {
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calculator.div(a, b);
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} else {
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console.log("Unsupported operation!");
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}
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</script>
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<script>
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// 3. Создать массив, который будет хранить в себе информацию о сотрудниках предприятия. Каждый элемент масива — объект,
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// содержащий свойства: name, sName, age, occupation, и метод show, который выводит всю информацию о пользователе.
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// Реализовать заполнение массива пользователем. По окончанию заполнения — вывести информацию о сотрудниках.
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var company = [
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p1 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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show: function() {
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console.log("First name: " + this.name);
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console.log("Surname: " + this.sName);
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console.log("Age: " + this.age + " years old");
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console.log("Occupation: " + this.occupation);
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}
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},
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p2 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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show: function() {
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console.log("First name: " + this.name);
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console.log("Surname: " + this.sName);
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console.log("Age: " + this.age + " years old");
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console.log("Occupation: " + this.occupation);
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}
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},
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p3 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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show: function() {
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console.log("First name: " + this.name);
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console.log("Surname: " + this.sName);
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console.log("Age: " + this.age + " years old");
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console.log("Occupation: " + this.occupation);
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}
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}
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]
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for (var i = 0; i < company.length; i++) {
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company[i].show();
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}
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</script>
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<script>
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// 4. Для предыдущего задания создайте функцию, которая будет принимать в себя массив объектов-сотрудников, и каждому из объектов
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// будет добавлять новое свойство "salary", хранящее зарплату сотрудника.
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// Зарплата расчитывается, исходя из значения свойства "occupation" следующим образом:
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// • "director" — 3000;
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// • "manager" — 1500;
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// • "programmer" — 2000;
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// • для остальных значений — 1000.
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// После выполнения функции — вывести информацию о сотрудниках.
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var company = [
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p1 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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},
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p2 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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},
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p3 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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}
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]
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function assignSalary(arr) {
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for (var i = 0; i < arr.length; i++) {
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switch (arr[i].occupation) {
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case "director":
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arr[i].salary = 3000;
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break;
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case "manager":
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arr[i].salary = 1500;
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break;
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case "programmer":
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arr[i].salary = 2000;
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break;
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default:
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arr[i].salary = 1000;
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}
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}
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}
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assignSalary(company);
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for (var i = 0; i < company.length; i++) {
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console.log("First name: " + company[i].name);
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console.log("Surname: " + company[i].sName);
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console.log("Age: " + company[i].age + " years old");
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console.log("Occupation: " + company[i].occupation);
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console.log("Salary: " + company[i].salary);
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}
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</script>
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<script>
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// 5. Для задания 3 создать метод, позволяющий отсортировать массив сотрудников по одному из свойств: name, sName, age, occupation, salary.
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// Параметр для сортировки принимается от пользователя.
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// После выполнения функции — вывести информацию о сотрудниках.
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var company = [
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p1 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = +prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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},
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p2 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = +prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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},
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p3 = {
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name: a = prompt("Enter first name:"),
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sName: b = prompt("Enter surname:"),
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age: c = +prompt("Enter age:"),
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occupation: d = prompt("Enter occupation:"),
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}
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]
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function assignSalary(arr) {
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for (var i = 0; i < arr.length; i++) {
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switch (arr[i].occupation) {
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case "director":
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arr[i].salary = 3000;
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break;
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case "manager":
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arr[i].salary = 1500;
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break;
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case "programmer":
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arr[i].salary = 2000;
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break;
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default:
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arr[i].salary = 1000;
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}
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}
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}
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assignSalary(company);
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var crit = prompt("Enter criteria (name, sName, age, salary): ");
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company.sort(function(a, b) {
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switch (crit) {
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case "name":
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if (a["name"] > b["name"]) {
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return 1;
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}
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else if (a["name"] < b["name"]) {
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return -1;
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} else {return 0;}
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break;
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case "sName":
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if (a["sName"] > b["sName"]) {
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return 1;
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}
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else if (a["sName"] < b["sName"]) {
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return -1;
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} else {return 0;}
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break;
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case "age":
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return a["age"] - b["age"];
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break;
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case "salary":
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return a["salary"] - b["salary"];
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break;
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default:
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alert("None");
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}
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})
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</script>
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</body>
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</html>
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