Максим

const random = arr => arr[Math.random() * arr.length | 0];

// одно значение
const randomName = random(arr_names);

// или сразу несколько
const randomNames = Array.from(
  { length: 5 },
  random.bind(null, arr_names)
);

// работать можно не только с массивами, но и,
// например, со строками, NodeList или HTMLCollection
const randomChar = random('abcdefg');
const randomSpan = random(document.querySelectorAll('span'));
const randomImage = random(document.images);

.modal.opened {
  display: block;
}

const modal = document.querySelector('.modal');
const close = modal.querySelector('.close');
const toggleModal = state => modal.classList.toggle('opened', state);
const buttonSelector = 'button';

document.addEventListener('click', ({ target: t }) => {
  if (t === modal || t === close) {
    toggleModal(false);
  } else if (t.matches(buttonSelector)) {
    toggleModal(true);
  }
});

[ modal, close ].forEach(function(n) {
  n.addEventListener('click', this);
}, e => e.target === e.currentTarget && toggleModal(false));

document.querySelectorAll(buttonSelector).forEach(function(n) {
  n.addEventListener('click', this);
}, toggleModal.bind(null, true));

-X list
--exclude-directories=list
Specify a comma-separated list of directories you wish to exclude from download. Elements of list may contain
wildcards.

const container = document.querySelector(".container");

container.onclick = function(){
	container.classList.toggle("container_color_red");
}