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DZ #2

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1804637
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avalonweb3 Apr 7, 2024
6b69898
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avalonweb3 Jun 9, 2024
d343ea3
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avalonweb3 Nov 4, 2024
38b791c
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avalonweb3 Nov 5, 2024
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9 changes: 9 additions & 0 deletions 11-date-array/app.js
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const date = ['10-02-2022', 'тест', '11/12/2023', '00/12/2022', '41/12/2023', '30/02/2024'];

const validDates = date
.map(date => new Date(date))
.filter(date => !isNaN(date))
.map(date => date.toLocaleDateString('ru-RU'))
.sort((a, b) => a - b);

console.log(validDates);
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@SergeyKrasnolobov SergeyKrasnolobov Nov 10, 2024

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Результат работы этой функции - мутация над исходными данными - ['02.10.2022', '12.11.2023']
В исходном массиве формат даты задан по другому))

12 changes: 12 additions & 0 deletions 11-date-array/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./app.js"></script>
</head>
<body>

</body>
</html>
27 changes: 27 additions & 0 deletions 12-luna/app.js
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const card = '4561-2612-1234-5464';

function correctCardNumber (cardNum) {
console.log(cardNum);
cardNum = cardNum
.trim()
.replaceAll('-', '')
console.log(cardNum)

if (cardNum.length != 16) {
return false;
}
// Проверка по Алгоритму Луны
let sum = 0;
for (let i = 0; i < cardNum.length; i++) {
let numbers = Number(cardNum[i]);
if ((cardNum.length - i) % 2 === 0) {
numbers *= 2;
if (numbers >= 9) {
numbers -= 9;
}
sum += numbers;
}
}
return sum % 10 === 0;
}
console.log(correctCardNumber(card));
12 changes: 12 additions & 0 deletions 12-luna/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="./app.js"></script>
<title>Document</title>
</head>
<body>

</body>
</html>
32 changes: 32 additions & 0 deletions 7-converter/app.js
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function summ (amount, sourceCurrency, targetCurrency) {
switch (sourceCurrency) {
case 'RUB': switch (targetCurrency) {
case 'USD': return amount / 89.7619;
case 'EUR': return amount / 97.9126;
case 'GBP': return amount / 113.6027;
default: return null;
}
case 'USD': switch (targetCurrency) {
case 'RUB': return amount * 89.7619;
case 'EUR': return amount * 0.9168;
case 'GBP': return amount * 0.7901;
default: return null;
}
case 'EUR': switch (targetCurrency) {
case 'RUB': return amount * 97.9126;
case 'USD': return amount * 1.0908;
case 'GBP': return amount * 0.8619;
default: return null;
}
case 'GBP': switch (targetCurrency) {
case 'RUB': return amount * 113.6027;
case 'USD': return amount * 1.2656;
case 'EUR': return amount * 1.1602;
default: return null;
}
default:
return null;
}
};

console.log(summ(1000, 'RUB', 'USD'));
12 changes: 12 additions & 0 deletions 7-converter/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./app.js"></script>
</head>
<body>

</body>
</html>
22 changes: 22 additions & 0 deletions 8-crypto/app.js
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function crypto(password) {
let cryptoPass = password.split(['']);
cryptoPass.reverse();
return cryptoPass;
};
console.log(crypto('password'));


function check() {
let encryptedPass = crypto('password');
encryptedPass.reverse();
let truePass = encryptedPass.join('');

switch (truePass) {
case 'password':
console.log('Пароль верный!');
break;
default:
console.log('Пароль неверный!');
};
};
console.log(check());
12 changes: 12 additions & 0 deletions 8-crypto/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./app.js"></script>
</head>
<body>

</body>
</html>
15 changes: 15 additions & 0 deletions 9-sort-loops/app.js
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const arr = [1, 40, -50, -20, -10, 5, 0, 100];

function arrSort() {
for (let j = arr.length - 1; j > 0; j--) {
for (let i = 0; i < j; i++) {
if (arr[i] > arr[i + 1]) {
let temp = arr[i];
arr[i] = arr[i + 1];
arr[i + 1] = temp;
};
};
};
return arr;
}
console.log(arrSort(arr));
12 changes: 12 additions & 0 deletions 9-sort-loops/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./app.js"></script>
</head>
<body>

</body>
</html>