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+<!DOCTYPE html>
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+<html lang="en">
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+
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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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+
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+<body>
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+ <script>
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+
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+ //a
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+ function a(text) {
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+ alert(text)
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+ }
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+ a("Привет!")
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+
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+ //cube
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+ function cube(a) {
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+ return Math.pow(a, 3)
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+ }
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+ let result = cube(3);
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+ alert(result);
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+
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+ //avg2
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+ function avg2(a, b) {
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+ return (a + b) / 2
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+ }
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+ avg2(3, 3);
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+
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+ //sum3
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+ function sum3(a = 0, b = 0, c = 0) {
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+ console.log(arguments)
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+ return a + b + c;
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+ }
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+ sum3(3, 2, 1);
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+
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+ //intRandom
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+ function intRandom(min = 0, max = 0) {
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+ return Math.round(Math.random() * (max - min) + min);
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+ }
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+ intRandom(10)
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+
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+ //greetAll
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+ function greetAll() {
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+ var result = " "
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+ for (var i = 0; i < arguments.length; i++) {
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+ result += " " + arguments[i] + ",";
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+ }
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+ alert("Hello" + result);
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+ }
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+ greetAll("Superman", "SpiderMan", "Captain Obvious",)
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+
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+ //sum
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+ function sum() {
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+ var result = 0;
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+ for (var i = 0; i < arguments.length; i++) {
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+ result += arguments[i];
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+ }
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+ alert(result)
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+ }
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+ sum(1, 2, 3, 4, 5);
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+
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+ //Union
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+
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+ function aSample() {
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+ return a("Привет!")
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+ }
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+ function cubeSample() {
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+ return cube(3)
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+ }
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+ function avg2Sample() {
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+ return avg2(3, 3)
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+ }
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+ function sum3Sample() {
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+ return sum3(3, 2, 1)
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+ }
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+ function intRandomSample() {
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+ return intRandom(4, 10)
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+ }
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+ function greetAllSample() {
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+ return greetAll("Pingvini", "Ennoti", "Banana",)
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+ }
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+ function sumSample() {
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+ return sum(1, 2, 3, 4, 5, 600)
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+ }
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+
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+ var sample = prompt("Введите название задания")
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+ switch (sample.toLowerCase()) {
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+ case "a": aSample()
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+ break;
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+ case "cube": cubeSample()
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+ break;
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+ case "avg2": avg2Sample()
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+ break;
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+ case "sum3": sum3Sample()
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+ break;
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+ case "intRandom": intRandomSample()
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+ break;
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+ case "greetAll": greetAllSample()
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+ break;
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+ case "sum": sumSample()
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+ break;
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+ default: alert("Что-то не то")
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+ }
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+
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+
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+ var arr = {
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+ a: aSample(),
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+ cube: cubeSample(),
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+ avg2: avg2Sample(),
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+ sum3: sum3Sample(),
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+ intRandom: intRandomSample(),
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+ greetAll: greetAllSample(),
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+ sum: sumSample(),
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+ }
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+ console.log(arr[prompt("Введите название задания")]);
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+
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+ </script>
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+</body>
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+
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+</html>
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