Этот вопрос закрыт для ответов, так как повторяет вопрос Как сделать рандомный выбор?
@chpd

Как прописать код, что бы использовался рандомный блок?

Помогите пожалуйста сделать рандомный выбор.

Имеется вот такой код node.js
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Т.е есть блок id "oihq8eo" и блок id "2b312bg", они выполняются последовательно друг за другом. Как написать код (javascript) с помощью возможно Math.random(), что бы блок выбирался рандомно. Я не большой специалист, буду очень благодарен если поможете. Сам написать точно не смогу.
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Ответы на вопрос 1
Surviavlist
@Surviavlist
Разработчик-любитель на Node.js
Не совсем понятен вопрос. Если ты используешь массив, то получи его случайный объект:
const randomIndex = Math.floor( Math.random() * 5 ) + 1 // случайное число от 0 до 5

В данном случае умножаем Math.random() на 5, так как эта функция возвращает значение от 0 до 1, которое может равняться 0, но никогда не будет равняться 1. То есть мы получим 0, 1, 2, 3 или 4, но не целым числом, поэтому используем Math.floor(), а потом добавляем единицу, таким образом получаем 1, 2, 3, 4 или 5.

Так же можем добавить в прототип массива новую функцию:
Array.prototype.random = function() {
  return this[Math.floor( Math.random() * this.length ) ]
}

const random = [1, 2, 3].random() // выберет 1, 2 или 3 случайнвм образом

Так функция вернёт из своего массива случайное число, основываясь на его длине
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