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@@ -0,0 +1,144 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <meta http-equiv="X-UA-Compatible" content="ie=edge">
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+ <title>Document</title>
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+ <style type="text/css">
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+ label{
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+ display: inline-block;
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+ width:80px;
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+ margin-top: 15px;
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+ }
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+ input{
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+ margin-top: 15px;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <select id="citySelect"></select>
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+ <form action="#">
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+ <div id="myDiv">
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+ <label for="name"> Login: </label>
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+ <input type="text" name="Name" placeholder="Enter your Login" id="name">
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+ <br>
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+ <label for="password"> Password: </label>
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+ <input type="password" name="password" placeholder="Enter your password" id="password">
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+ <br>
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+ <!-- button -->
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+ <input type="button" name="Login" value="Login" onclick="ClickLogin()">
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+ </div>
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+ </form>
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+ <script type="text/javascript">
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+
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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!") // вызывает alert("Привет!")
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+
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+//2. cube
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+function cube(number){
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+ return number*number*number
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+}
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+
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+//3. avg2
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+//напишите функцию тут
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+avg2(1,2) // возвращает 1.5
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+avg2(10,5) // возвращает 7.5
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+function avg2(a,b) {
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+ return (a + b) / 2
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+}
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+
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+//4. sum3
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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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+function sum3(a,b,c=0){
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+ return a+b+c
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+}
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+
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+//5. intRandom
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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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+function intRandom(first = 0, second = 0){
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+ result = Math.round(Math.random()*(second-first))+first
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+ return result
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+}
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+
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+//6. greetAll
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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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+function greetAll(){
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+ str = "Hello"
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+ var count=1
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+ for (var name of arguments){
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+ str += (count ===1 ? " ":", ") + name
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+ count +=1
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+ }
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+ alert(str)
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+}
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+
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+//7. sum
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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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+function sum(){
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+ var result=0
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+ for (var argument of arguments){
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+ result += argument
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+ }
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+ return result
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+}
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+
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+//8. Union
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+var sample = prompt("Введите название задания")
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+switch (sample.toLowerCase()){
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+ case "a": a(prompt("Введите текст"))
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+ break
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+ case "cube": cube(+prompt("Введите число"))
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+ break
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+ case "avg2": avg2(+prompt("Введите число1"),+prompt("Введите число2"))
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+ break
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+ case "sum3": sum3(+prompt("Введите число1"),+prompt("Введите число2"),+prompt("Введите число3"))
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+ break
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+ case "intrandom": intRandom(+prompt("Введите нижнюю границу"),+prompt("Введите верхнюю границу"))
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+ break
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+ case "greetall": { var arg = []
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+ do{str = prompt('Введите имя')
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+ arg.push(str)
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+ }
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+ while (str)
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+ greetAll(arg)
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+ break}
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+ case "sum":
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+ { var arg = []
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+ do{str = +prompt('enter number')
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+ arg.push(str)
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+ }
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+ while (str)
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+ sum(arg)
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+ break}
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+}
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+
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+//9. Union declarative
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+ var tasks = {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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+var sample = prompt("Введите название задания")
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+if (sample in tasks){
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+ tasks[sample]
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+}
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+
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+ </script>
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+</body>
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+</html>
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