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@@ -0,0 +1,129 @@
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+// 1task
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+
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+function a()
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+{
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+ alert ("Привет!");
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+}
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+
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+// 2task
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+
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+var n;
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+function cube(n){
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+ var result = n*n*n
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+ return result;
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+}
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+// console.log(cube(3))
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+
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+// 3task
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+
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+var a;
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+var b;
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+function avg2(a,b){
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+ var result = (a+b)/2;
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+ return result
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+}
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+
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+// console.log (avg2(1,2))
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+// console.log(avg2(10,5))
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+
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+// 4task
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+
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+var a;
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+var b;
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+var c;
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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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+var result = a + b + c;
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+alert (result)
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+}
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+
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+// console.log(sum3(1,2))
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+
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+// 5task
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+
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+function intRandom(low, high){
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+ let userNum = Math.random()*((high||0)-(low||0)) + (low || 0)
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+ return Math.round(userNum)
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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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+// task6
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+
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+function greetAll() {
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+ let str = " "
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+ for (let i = 0;i < arguments.length;i++){
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+ str += arguments[i]
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+ }
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+ str.slice(0 , -1)
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+ alert ("Hello" + "," + str)
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+ }
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+// greetAll("SpiderMan")
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+
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+// task 7
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+
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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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+ alert(result)
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+}
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+// sum(1,5,6,7,10)
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+
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+//task 8
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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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+ alert(cube(5)) // => 125
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+}
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+
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+function avg2Sample(){
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+ alert(avg2(1,2))
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+ }
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+function sum3Sample(){
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+ sum3(1,2,5)
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+}
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+function intRandomSample () {
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+ alert(intRandom(2,15))
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+}
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+function greetAllSample (){
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+ greetAll("Ivan")
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+}
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+
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+function sumSample () {
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+ sum(10,5,6,7,35)
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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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+// }
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+
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+({
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+ a : () =>a("Привет"),
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+ cube : () => alert(cube(10)),
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+ avg2 : () => alert(avg2(3,10)),
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+ sum3 : () => sum3(1,10,100),
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+ intRandom : () => alert(intRandom(2,15)),
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+ greetAll: () => greetAll("BatMan", " " , "Deadpool", " ", "SuperMan"),
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+ sum: () => sum(1,10,100,1000)
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+ })[prompt("Введите название задания")]();
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Vadym Hlushko