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NataliaButenkoNataliaButenko
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homework_7
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‎js-core/homeworks/homework-7/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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<title>Home work 7</title>
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</head>
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<body>
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<script src="src/main.js"></script>
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</body>
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</html>

‎js-core/homeworks/homework-7/src/main.js‎

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//Task1
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function add(arg1) {
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let value1 = arg1;
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return function (arg2) {
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let value2 = arg2;
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return function (arg3) {
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let value3 = arg3;
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return value1 = value1 + value2 + value3;
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};
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};
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};
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console.log('Task1 ', add(1)(2)(3)); // 6
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console.log('Task1 ', add(10)(5)(15)); // 30
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//Task2
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function patternModule() {
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let count = 0;
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return {
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method: function () {
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return count += 1;
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},
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setToZero: function() {
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return count = 0;
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}
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};
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};
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//patternModule
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let test = patternModule(); // 0
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console.log('Task2 ', test.method()); //1
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console.log('Task2 ', test.method()); //2
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console.log('Task2 ', test.method()); //3
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console.log('Task2 ', test.setToZero());
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console.log('Task2 ', test.method());
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//Task3
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let jun = {};
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function methodCounter(obj, name, num, fn) {
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let counter = 0;
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obj[name] = function(...args) {
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if(counter < num) {
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counter += 1;
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return `Call number ${counter}, sum of arguments = ${fn(args)}`;
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} else {
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return 'ERROR ! add more methods';
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}
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}
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};
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methodCounter(jun, 'logger', 2, function (args) {
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let sumArgs = 0;
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for (let i = 0; i < args.length; i++) {
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sumArgs = sumArgs + args[i];
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};
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return sumArgs;
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});
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console.log('Task3 ', jun.logger(1, 2, 3, 4)); // 2, 10
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console.log('Task3 ', jun.logger(5, 5, 5, 5)); // 1, 20
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console.log('Task3 ', jun.logger(5, 5)); // ERROR ! add more methods
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//Super
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let jun2 = {};
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function methodCounter2(obj, name, num, fn) {
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let counter = num;
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obj[name] = function(...args) {
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if(counter > 0) {
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counter -= 1;
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return `Call number ${counter + 1}, sum of arguments = ${fn(args)}`;
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} else {
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return 'ERROR ! add more methods';
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};
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};
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obj.addCounter = function(initialCounter) {
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return counter = initialCounter;
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};
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};
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let methodName = methodCounter2(jun2, 'logger', 2, function (args) {
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let sumArgs = 0;
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for (let i = 0; i < args.length; i++) {
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sumArgs = sumArgs + args[i];
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};
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return sumArgs;
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});
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console.log('Super ', jun2.addCounter(10, methodName));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.addCounter(3, methodName));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));
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console.log('Super ', jun2.logger(1, 2, 3, 4));

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