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@@ -0,0 +1,100 @@
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+function a(){
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+ alert("Привет!");
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+}
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+a()
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+//
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+function cube(){
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+ console.log(prompt(`число`)**3);
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+}
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+cube();
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+//
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+function avg2 (a, b){
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+ console.log((a + b) / 2);
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+}
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+avg2(1,2);
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+avg2(10,5);
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+
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+//
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+function sum3 (a, b, c){
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+ a = a || 0;
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+ b = b || 0;
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+ c = c || 0;
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+ return(a + b + c);
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+}
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+sum3(1,2,3);
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+sum3(5,10,100500);
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+sum3(5,10);
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+
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+//
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+function intRandom (a, b){
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+ a = a || 0;
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+ b = b || 0;
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+ let number = (Math.random() * (b - a) + a);
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+ return Math.round(number);
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+}
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+console.log(intRandom(2, 15))
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+console.log(intRandom(-1, -1))
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+console.log(intRandom(0, 1))
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+console.log(intRandom(10))
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+
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+//
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+function greetAll() {
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+ for(let i of arguments) {
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+ alert(`Hello ${i}`)
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+ }
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+ }
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+ greetAll("Superman")
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+ greetAll("Superman", "SpiderMan")
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+ greetAll("Superman", "SpiderMan", "Captain Obvious")
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+
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+ //
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+ function sum (){
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+ let resulta = 0;
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+ for(let i of arguments){
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+ resulta += i;
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+ }
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+ console.log(resulta);
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+ }
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+sum(1)
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+sum(2)
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+sum(10, 20, 40, 100)
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+//
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+
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+function aSample(){
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+ a("Привет!") // вызывает alert("Привет!")
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+}
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+
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+function cubeSample(){
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+ cube(5) // => 125
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+}
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+
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+let sample = prompt("Введите название задания")
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+switch (sample.toLowerCase()){
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+ case "a": a()
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+ break
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+ case "cube": cube()
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+ break
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+ case "avg2": avg2()
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+ break
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+ case "sum3": sum3()
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+ break
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+ case "intRandom": intRandom()
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+ break
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+ case "greetAll": greetAll()
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+ break
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+ case "sum": sum()
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+ break
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+}
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+
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+//
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+let sampl = {
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+ a: a(),
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+ cube: cube(),
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+ avg2: avg2(),
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+ sum3: sum3(),
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+ intRandom: intRandom(),
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+ greetAll: greetAll(),
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+ sum: sum()
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+}
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+let sampl1 = prompt("Введите название функции")
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+alert(sampl1[`${sampl}`])
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Анатолий Пивоварский