"use strict";

function main(formName) {
	let result = document.getElementById("result");
	
	let arr = [
		{name: "Кола", price: 5},
		{name: "Вода", price: 1},
		{name: "Чай", price: 2},
		{name: "Коктейль", price: 10},
		{name: "Мохито", price: 8}
	];

	if (item instanceof Array) {
		result.textContent = "Ошибка: arr должен быть массивом!";
		return;
	}

	result.textContent = "Результат: " + sortDrinks(arr);
}

function sortDrinks(arr) {
	let result = [];
	
	arr.sort( (first, second) => first.price > second.price ? 1 : -1 );
	arr.forEach( elem => result.push(elem.name + " - " + elem.price) );

	return result.join(", ");
}