Pika
/
homework


			
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>

        //a
        function a(text) {
            alert(text)
        }
        a("Привет!")

        //cube
        function cube(a) {
            return Math.pow(a, 3)
        }
        let result = cube(3);
        alert(result);

        //avg2
        function avg2(a, b) {
            return (a + b) / 2
        }
        avg2(3, 3);

        //sum3
        function sum3(a = 0, b = 0, c = 0) {
            console.log(arguments)
            return a + b + c;
        }
        sum3(3, 2, 1);

        //intRandom
        function intRandom(min = 0, max = 0) {
            return Math.round(Math.random() * (max - min) + min);
        }
        intRandom(10)

        //greetAll
        function greetAll() {
            var result = " "
            for (var i = 0; i < arguments.length; i++) {
                result += " " + arguments[i] + ",";
            }
            alert("Hello" + result);
        }
        greetAll("Superman", "SpiderMan", "Captain Obvious",)

        //sum
        function sum() {
            var result = 0;
            for (var i = 0; i < arguments.length; i++) {
                result += arguments[i];
            }
            alert(result)
        }
        sum(1, 2, 3, 4, 5);

        //Union

        function aSample() {
            return a("Привет!")
        }
        function cubeSample() {
            return cube(3)
        }
        function avg2Sample() {
            return avg2(3, 3)
        }
        function sum3Sample() {
            return sum3(3, 2, 1)
        }
        function intRandomSample() {
            return intRandom(4, 10)
        }
        function greetAllSample() {
            return greetAll("Pingvini", "Ennoti", "Banana",)
        }
        function sumSample() {
            return sum(1, 2, 3, 4, 5, 600)
        }

        var sample = prompt("Введите название задания")
        switch (sample.toLowerCase()) {
            case "a": aSample()
                break;
            case "cube": cubeSample()
                break;
            case "avg2": avg2Sample()
                break;
            case "sum3": sum3Sample()
                break;
            case "intRandom": intRandomSample()
                break;
            case "greetAll": greetAllSample()
                break;
            case "sum": sumSample()
                break;
                default: alert("Что-то не то")
        }

        
        var arr = {
            a: aSample(),
            cube: cubeSample(),
            avg2: avg2Sample(),
            sum3: sum3Sample(),
            intRandom: intRandomSample(),
            greetAll: greetAllSample(),
            sum: sumSample(),
        }
        console.log(arr[prompt("Введите название задания")]);
       

    </script>
</body>

</html>