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Проследить id выбраного option (select).


parzh-junior
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Задача: У меня есть тег select, в котором есть 2 тега option: id первого - opt1, id второго - opt2.

Вопрос: как с помощью JavaScript узнать, какой option выбран. OnClick не предлагать.

Зачем: если выбран opt1 - тогда мне нужно, чтобы отображался ещё один элемент, допустим p id="p". Если выбран opt2 - элемент не отображается.

Это я сделаю через CSS.

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