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@@ -0,0 +1,109 @@
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+// a
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+function a(){
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+ alert("Привет!") ;
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+}
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+a("Привет!") // вызывает alert("Привет!")
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+
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+// cube
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+function cube(){
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+ var num = +prompt('Insert number');
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+ var n = Math.pow(num, 3);
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+ alert (n);
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+}
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+cube();
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+
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+// avg2
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+function avg2(a,b) {
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+ var n = (a + b)/2;
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+ alert (n);
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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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+// sum3
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+function sum3(a, b, c) {
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+ if (a === undefined || b === undefined || c === undefined) {
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+ a = 0;
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+ b = 0;
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+ c = 0;
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+ }
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+var sum = a + b + c;
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+alert (sum);
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+}
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+sum3(1,2,3) // => 6
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+sum3(5,10,100500) // => 100515
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+sum3(5,10) // => 15
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+
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+// intRandom
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+function intRandom(a, b) {
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+ var firstAct, secondAct;
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+ if (b === undefined) {
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+ b = a;
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+ a = 0;
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+ }
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+ if (a > 1 || b > 1) {
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+ firstAct = a - 0.5 + Math.random() * (b - a + 1);
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+ secondAct = Math.round(firstAct);
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+ }
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+ else if ( a < 0 || b < 0) {
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+ secondAct = -1; //Я не уверен что так правильно
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+ }
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+ else if(0 <= a <=1 && 0 <= b <=1 ) {
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+ firstAct = Math.random();
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+ secondAct = Math.round(firstAct);
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+ }
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+
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+ alert(secondAct);
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+}
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+intRandom(2,15) // возвращает целое случайное число от 2 до 15 (включительно)
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+intRandom(-1,-1) // вернет -1
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+intRandom(0,1) // вернет 0 или 1
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+intRandom(10) // вернет 0 до 10 включительно
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+
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+// greetAll
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+function greetAll() {
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+ var name = [];
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+ for (var i = 0; i < arguments.length; i++) {
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+ name += arguments[i];
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+ if (i === 0 || i < arguments.length - 1) {
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+ name = name + ", ";
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+ }
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+ }
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+ alert( "Hello " + name );
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+}
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+greetAll("Superman") // выводит alert "Hello Superman"
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+greetAll("Superman", "SpiderMan") // выводит alert "Hello Superman, SpiderMan"
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+greetAll("Superman", "SpiderMan", "Captain Obvious") // выводит alert "Hello Superman, SpiderMan, Captain Obvious"
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+
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+// sum
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+function sum() {
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+ var summ = 0;
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+ for (var i = 0; i < arguments.length; i++) {
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+ summ += arguments[i];
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+ }
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+ alert(summ);
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+}
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+sum(1) // => 1
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+sum(2) // => 2
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+sum(10,20,40,100) // => 170
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+
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+// Union
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+var sample = prompt("Введите название задания").toLowerCase();
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+switch (sample) {
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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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+// Union declarative
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