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sinslav/2_currency.html

Created July 1, 2015 11:52
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2_currency.html
var valuta, sum, uah_kurs, usd_kurs, eur_kurs;
uah_kurs=1;
usd_kurs=1/28;
eur_kurs=1/32;
valuta=prompt('Какую валюту вы хотите обменять? \(usd\, uah или eur\)');
// if (valuta !== 'usd' || 'USD' || 'uah' || 'UAH' || 'EUR' ||'eur') {alert('Введите валюту в формате USD, UAH или EUR')};
sum=+prompt('Сколько у вас валюты?');
switch(valuta) {
case 'usd'||'USD': {alert('Ваши ' + sum + ' ' + valuta + ' равны ' + sum/usd_kurs + ' uah ' + ' или ' + sum/usd_kurs * eur_kurs + ' eur'); break;}
case 'uah'||'UAH': {alert('Ваши ' + sum + ' ' + valuta + ' равны ' + sum*usd_kurs + ' usd ' + ' или ' + sum*eur_kurs + ' eur' ); break;}
case 'eur'||'EUR': {alert('Ваши ' + sum + ' ' + valuta + ' равны ' + sum/eur_kurs*usd_kurs + ' usd ' + ' или ' + sum/eur_kurs + ' uah' );}
default: {alert('Не вверно введена сумма денег')} }
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