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September 16, 2017 19:56
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Encoder</title> | |
| <script> | |
| var numberSystem = +prompt('Введите систему счисления(число от 2 до 36):', '16'); | |
| if (numberSystem >= 2 && numberSystem <= 36) { | |
| var data = prompt('Введите данные для обработки:'); | |
| var isEncode = confirm('Что сделать? ок - закодировать, отмена - раскодировать'); | |
| var res; | |
| var isCorrect = true; | |
| if (isEncode) { | |
| res = String(data).split('').map((char) => char.codePointAt(0).toString(numberSystem)).join(' '); | |
| } else { | |
| var numbers = String(data).split(' ').map((i) => parseInt(i, numberSystem)); | |
| isCorrect = numbers.every((i) => !isNaN(i)); | |
| if (isCorrect) { | |
| res = numbers.map((i) => String.fromCodePoint(i)).join(''); | |
| } | |
| } | |
| if (isCorrect) { | |
| alert('Результат:' + res); | |
| } else { | |
| alert('Не корректный шифр!'); | |
| } | |
| } else { | |
| alert('Вы ввели не правильную систему счисления!'); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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