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@@ -0,0 +1,100 @@
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+//1.a
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+function a(text){
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+ alert(text);
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+}
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+// a("Привет!");
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+
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+//2.cube
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+function cube(number, exponent = 3){
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+ alert (Math.pow(number, exponent));
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+}
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+// cube(5);
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+
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+//3.avg2
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+function avg2(a, b){
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+ alert ((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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+//4.sum3
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+function sum3(...params){
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+ alert (params.reduce ((a, b) => a + b));
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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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+//5.intRandom
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+function intRandom(min, max){
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+ if(max === undefined){
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+ max = min;
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+ min = 0;
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+ }
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+ let result = Math.round(Math.random() * (max - min) + min);
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+ alert (result);
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+}
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+// intRandom(2,15);
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+// intRandom(-1,-1);
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+// intRandom(0,1);
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+// cintRandom(10);
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+
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+//6.greetAll
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+function greetAll(...name){
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+ alert(`Hello ${name}!`);
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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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+//7.sum
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+function sum(){
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+ let sum = 0;
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+ for(let i = 0; i < arguments.length; i++){
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+ sum += arguments[i];
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+ }
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+ alert (sum);
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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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+//8.Union
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+// let sample = prompt('Введите название задания: a/cube/avg2/sum3/intRandom/greetAll/sum');
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+// switch (sample.toLowerCase()){
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+// case 'a' : a('Привет!');
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+// break;
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+// case 'cube' : cube(5);
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+// break;
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+// case 'avg2' : avg2(1, 2);
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+// break;
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+// case 'sum3' : sum3(1, 2, 3);
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+// break;
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+// case 'intRandom' : intRandom(2,15);
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+// break;
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+// case 'greetAll' : greetAll("Superman", "SpiderMan");
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+// break;
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+// case 'sum' : sum(10,20,40,100);
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+// break;
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+// default : alert('Error!');
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+// break;
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+// }
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+
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+//9.Union declarative
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+let gamesList = {
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+ 'a' : [a, 'Привет!'],
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+ 'cube' : [cube, 5],
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+ 'avg2' : [avg2, 1, 2],
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+ 'sum3' : [sum3, 1, 2, 3],
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+ 'intRandom' : [intRandom, 2, 15],
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+ 'greetAll' : [greetAll, "Superman", "SpiderMan"],
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+ 'sum' : [sum, 10, 20, 40, 100]
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+};
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+let sample = (prompt(`Введите название задания: ${Object.keys(gamesList).join(', ')}`)).toLowerCase();
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+if(sample in gamesList){
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+ let args = gamesList[sample].slice(1);
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+ gamesList[sample][0](...args);
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+}
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+else {
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+ alert('Error!');
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+}
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