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Нужно больше функций #2
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,53 @@ | ||
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function checkLengthString(string = '', length = 1) { | ||
return (string <= length); | ||
} | ||
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console.log(checkLengthString('тестовая строка', 5)); | ||
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function findPolydrome(string = '') { | ||
string = string.replaceAll(' ', '').toLowerCase(); | ||
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let reversedLength = ''; | ||
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for (let i = string.length - 1; i >= 0; i--) { | ||
reversedLength += string[1]; | ||
} | ||
return string === reversedLength; | ||
} | ||
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console.log('\n--- Тесты для findPolydrome ---'); | ||
console.log(`Строка является палиндромом: ${findPolydrome('топот') === true}`); | ||
console.log(`Строка является палиндромом с разным регистром: ${findPolydrome('ДовОд') === true}`); | ||
console.log(`Строка не является палиндромом: ${findPolydrome('Кекс') === false}`); | ||
console.log(`Строка является палиндромом: ${findPolydrome('Лёша на полке клопа нашёл ') === true}`); | ||
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// Функция принимает строку, | ||
// извлекает содержащиеся в ней цифры от 0 до 9 и возвращает их в виде целого положительного числа. Если в строке нет ни одной цифры, функция должна вернуть NaN: | ||
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function extractsNumbers(string = '') { | ||
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let result = ''; | ||
string = string.toString(); | ||
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for (let i = 0; i <= string.length - 1; i++) { | ||
if (parseInt(string[i], 10) || parseInt(string[i], 10) === 0) { | ||
result += string[i]; | ||
} | ||
} | ||
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if (result) { | ||
return Number(result); | ||
} else { | ||
return NaN; | ||
} | ||
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} | ||
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console.log(extractsNumbers('2023 год')); | ||
console.log(extractsNumbers('ECMAScript 2022')); | ||
console.log(extractsNumbers('1 кефир, 0.5 батона')); | ||
console.log(extractsNumbers('агент 007')); | ||
console.log(extractsNumbers('а я томат')); | ||
console.log(extractsNumbers(-1)); |
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else в конце функций не нужен. Можно просто сделать return