illiaKozyr
/
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>
            // -----------------------Анализ
            
            function a(text) {
                alert(text);
            }

            // -----------------------cube

            function cube(number) {
                number = number ** 3;
                return number;
            }

            // -----------------------avg2

            function avg2(a, b) {
                let average = (a + b) / 2;
                return average;
            }

            // -----------------------sum3

            function sum3(a = 0, b = 0, c = 0) {
                let sumsNumbers = a + b + c;
                return sumsNumbers;
            }

            // -----------------------intRandom

            function intRandom(a = 0, b = 0) {
                let randomNumber = Math.random() * (b - a) + a;
                return Math.round(randomNumber);
            }

            // -----------------------greetAll

            function greetAll() {
                let arr = "";
                if (arr != "") {
                    arr = "";
                }
                for (let i = 0; i < arguments.length; i++) {
                    arr += arguments[i] + "," + " ";
                }
                
                arr = arr.slice(0, -2);
                console.log(arr);
                alert("Hello " + arr + "!");
            }

            // ------------------------sum

            function sum(array) {
                var sum = 0;
                for (var i = 0; i < arguments.length; i++) {
                    sum += arguments[i];
                }
                return sum;
            }

            // ------------------------Union

            function aSample() {
                return a("Hello");
            }
            function cubeSample() {
                return cube(10);
            }
            function avg2Sample() {
                return avg2(20, 30);
            }
            function sum3Sample() {
                return sum3(1, 2);
            }
            function intRandomSample() {
                return intRandom(1, 10);
            }
            function greetAllSample() {
                return greetAll("Anton", "Illia", "Andrey");
            }
            function sumSample() {
                return sum(1, 2, 3, 4, 5, 6, 7, 8, 9);
            }

            // let taskByName = prompt("Введите название задания");
            // switch (taskByName.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;
            // }

            // ------------------------Union declarative

            let union = {
                a () {
                    a("Hello") 
                },
                cube () {
                    cube(10)
                },
                avg2 () {
                    avg2(20, 30)
                },
                sum3 () {
                    sum3(1, 2)
                },
                intRandom () {
                    intRandom(1, 10)
                },
                greetAll () {
                    greetAll("Anton", "Illia", "Andrey")
                },
                sum () {
                    sum(1, 2, 3, 4, 5, 6, 7, 8, 9)
                },
            };

            console.log(union[prompt("Введите название задания")]());
        </script>
    </body>
</html>