Lesson 7: type script #6
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vlevkoniuk
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Feb 19, 2025
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| const numberArray2: number[] = [1, 2, 3, 4]; | ||
| const stringArray2: string[] = ["10", "20", "30"]; |
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явна vs неявна типізація. В даному випадку при ініціалізації змінної ТС знає кий тип буде у змінній
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| // Виклики стрілочної функції та виведення результатів | ||
| console.log("Sum of numberArray2 =", sumArrayArrow(numberArray2)); // 10 | ||
| console.log("Sum of stringArray2 =", sumArrayArrow(stringArray2)); // 60 |
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функція написана так, що є баг, та з назви функція я очікую, що вона складатиме стрінги як стрінги, а не каститиме це у намбери
const stringArray2 = ["10", "20", "30", 'type'];
console.log("Sum of stringArray2 =", sumArrayArrow(stringArray2)); // NaN
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