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‎1.Підключення/index_1.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script>
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alert("Vladyslav Karapetov");
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</script>
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</body>
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</html>

‎1.Підключення/index_2.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<script src="./script.js"></script>
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</head>
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<body>
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</body>
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</html>

‎1.Підключення/script.js

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alert("Vladyslav Karapetov");

‎10.Функціональні вирази/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<script src="./script.js"></script>
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</head>
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<body>
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</body>
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</html>

‎10.Функціональні вирази/script.js

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//function add(x, y) {
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// return x + y;
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//}
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var add = function (x, y) {
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return x + y;
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};
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console.log(add(15, 2));

‎11.Замикання/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<script src="./script.js"></script>
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</head>
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<body>
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</body>
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</html>

‎11.Замикання/script.js

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// Task 1
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/*
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function calcSafePS () {
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var a = 0;
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var b = 0;
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var arr = [];
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arr[0] = function(newA, newB){
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if ((isNaN(parseFloat(newA)) != true) && (isNaN(parseFloat(newB)) != true) && newA > 0 && newB > 0) {
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a = newA;
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b = newB;
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}
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};
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arr[1] = function () {
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return [2 * a + 2 * b, a * b];
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};
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return arr;
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}
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var PS = calcSafePS();
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PS[0](2, 3);
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console.log(PS[1]());
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PS[0](-2, 12);
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console.log(PS[1]());
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*/
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// Task 2
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/*
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function createArrayIterator(array) {
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var i = 0;
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return function () {
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return array[i++];
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}
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}
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var arr = [5, 3, 7];
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var itr = createArrayIterator(arr);
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console.log(itr()); // 5
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console.log(itr()); // 3
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console.log(itr()); // 7
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console.log(itr()); // undefined
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*/
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// Task 3

‎12.Рекурсивні функції/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script src="./script.js"></script>
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</body>
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</html>

‎12.Рекурсивні функції/script.js

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function digitSum(k) {
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if(k > 0) return k % 10 + digitSum(Math.floor(k / 10));
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else if (k == 0) return 0;
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else return -1;
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}
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console.log(digitSum(parseInt(prompt("Enter k: "))));

‎13.Перевизначення функцій/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script src="./script.js"></script>
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</body>
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</html>

‎13.Перевизначення функцій/script.js

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function format(data, type) {
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if (type == 'number') {
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format = function () {
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return Number(data);
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}
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}
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else if (type == 'string') {
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format = function () {
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return String(data);
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}
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}
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else if (type == 'boolean') {
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format = function () {
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return Boolean(data);
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}
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}
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else return data;
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}
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var originFormat = format;
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format("1", "number");
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console.log(format()); // 1
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console.log(typeof format()); // "number"
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originFormat("Hello", "boolean");
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console.log(format()); // true
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console.log(typeof format()); // "boolean"
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originFormat(true, "string");
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console.log(format()); // "true"
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console.log(typeof format()); // "string"

‎14.Об'єкти/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script src="./script.js"></script>
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</body>
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</html>

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