Vladislav_Postnikov
/
HomeWork1


			
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							<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Exercises</title>
</head>
<body>

	<script>

		let exercise=prompt('','');
		switch(exercise){
			case 'switch: sizes':
					let size=prompt('Введите размер','');
					switch(size){
						case '40':alert('6 или L');
							break;
						case '42':alert('8 или M');
							break;
						case '44':alert('10');
							break;
						case '46':alert('12 или L');
							break;
						case '48':alert('14');
							break;
						case '50':alert('16 или XL');
							break;
						case '52':alert('18');
							break;
						case '54':alert('20 или XXL');
							break;
					}
				break;

			case 'prompt: or':prompt('Введите возраст','')||alert(new Error('Error'));
				break;

			case 'confirm: or this days':confirm('Shopping?')||alert('Ты - бяка');
				break;

			case 'confirm: if this days':
					if(confirm('Shopping?')){
						alert('oK');
					}else{
						alert('Ты - бяка');
					}
				break;

			case 'triple prompt,default: or':
					let name=prompt('name','')||'John';
					let secondName=prompt('secondName','')||'Johnson';
					let surname=prompt('surname','')||'Pupkovich';
					alert(name+' '+secondName+' '+surname);
				break;

			case 'default: if':
					let Name=prompt('name','');
					if(Name==0||Name==undefined){
						Name='John'
					}
					let secondName2=prompt('secondName','');
					if(secondName2==0||secondName2==undefined){
						secondName2='Johnson';
					}
					let surname2=prompt('surname','');
					if(surname2==0||surname2==undefined){
						surname2='Pupkovich';
					}
					alert(Name+' '+secondName2+' '+surname2);
				break;

			case 'login and password':
					let name3='John';
					let pass='qwerty';
					let ask=prompt('Your name?','');
					if(ask!==name3){
						alert('Error name OR pass ...');
					}else{
						let ask2=prompt('Your password?');
						if(ask2!==pass){
							alert('Error name OR pass ...');
						}else{
							alert('Congratulation');
						}
					}
				break;

			case 'scissors':
					let ask2=prompt('Камень, нижницы или бумага ?','');
					let answer='';
					let num=Math.round(Math.random()*10);
					if(num>0&&num<=3){
						answer='камень';
					}else{
						if(num>=4&&num<=7){
							answer='бумага';
						}else{
							answer='ножницы';
						}
					}
					console.log(answer);
					if(ask2==answer){
						alert('Вы выиграли');
					}else{
						alert('Вы проиграли ');
					}
				break;
		}


		//Black belt
		let key2=Math.random();
		let key=key2>0.1&&key2<=0.4?'ножницы': key2>0.5? 'бумуга': 'камень';
		console.log(key);

	</script>

</body>
</html>