“Math.avg” Ответ

Рассчитайте средний JavaScript

var sum = array.reduce((a, b) => a + b, 0);	//get sum of all elements in array
var avg = (sum / array.length) || 0; //get average of all elements in array ;)

Armandres

Math.avg

Math.avg = (...numbers) => {
    let x = 0
    numbers.forEach(item => {
        x += item
    })
    return x / numbers.length
}

// Usage
console.log(Math.avg(10, 20, 30))

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