Тигран Абрамян

const menuItem = '.menu-item-has-children';

$(menuItem).click(function(){
  $(this).toggleClass('open');
});

$(document).click(e => {
  if (!e.target.closest(menuItem)) {
		$(menuItem).removeClass('open');
  }
});

$('#color__white').on('click', function() {
  $('.bg__banner').css({ background: "url('https://lh3.googleusercontent.com/Rt8TYR6K-aTSv125emcExagI7ehiTklC6wlMPFvnd6aC00-DMWxeu7BaWrMvXcsSNNM')" });
});

$('#color__black').on('click', function() {
  $('.bg__banner').css({ background: "url('https://lh3.googleusercontent.com/V9Eqc_2TmD5fy06JjfY9drZPfgYtHZQuRK7Ndt-6d0FsucKnXqTug_PwIpal36p-EfE=s180')" });
});

const lists = document.querySelectorAll('.list li');

lists.forEach(list => {
  list.addEventListener('click', () => {
    lists.forEach(list => list.classList.remove('active'));

    list.classList.add('active');
  });
});

const divs = $(".team > .team_single");

for (let i = 0; i < divs.length; i += 2) {
  divs.slice(i, i + 2).wrapAll("<div class='new'></div>");
}

for (elem of users) {
  elem.active = true;
  console.log(elem);
}

$("div").each((i, n) => {
  $(n).click(() => {
    console.log($(n).text());
  });
});

Интересно мнение о моем коде

Сори за говнокод

function openhide(){
  document.querySelector('.hide_sett_passive').classList.add('hide_sett_active');
  document.querySelector('.hide_sett_passive').classList.remove('hide_sett_passive');
}

function closehide(){
  document.querySelector('.hide_sett_active').classList.add('hide_sett_passive');
  document.querySelector('.hide_sett_active').classList.remove('hide_sett_active');
}

function openprebook(){
  document.querySelector('.preblock_passive').classList.add('preblock_active');
  document.querySelector('.preblock_passive').classList.remove('preblock_passive');
}

function closeprebook(){
  document.querySelector('.preblock_active').classList.add('preblock_passive');
  document.querySelector('.preblock_active').classList.remove('preblock_active');
}

function open_prebooksItems1(){
  document.querySelector('.preblock_hs_itm1_passive').classList.add('preblock_hs_itm1_active');
  document.querySelector('.preblock_hs_itm1_passive').classList.remove('preblock_hs_itm1_passive');
}

function close_prebooksItems1(){
  document.querySelector('.preblock_hs_itm1_active').classList.add('preblock_hs_itm1_passive');
  document.querySelector('.preblock_hs_itm1_active').classList.remove('preblock_hs_itm1_active');
}

function close_when_all_close(){
  document.querySelector('.cl').addEventListener("click", function() {
    closehide();
    closeprebook();
    close_prebooksItems1();
  })
}

function MakeActive_hide_sett_passive(){
  document.querySelector('.shesterenki').addEventListener("click", function() {
    openhide();
  });
}

function click_hs_itm1(){
  document.querySelector('.hs_itm1').addEventListener("click", function() {
    openprebook();
    open_prebooksItems1();
  });
}

document.addEventListener("DOMContentLoaded", function() {
  close_when_all_close();
  MakeActive_hide_sett_passive();
  click_hs_itm1();
});

function recursion(obj) {
  let sum = 0;
  for (let key in obj) {
    if (typeof obj[key] === 'object') {
      sum += recursion(obj[key]);
    } else {
      sum += obj[key];
    }
  }
  return sum;
}

const input = document.querySelector("input");
const button = document.querySelector("button");

button.disabled = true;

input.addEventListener("input", function() {
  button.disabled = !this.value.length;
})

const enter = document.querySelector('.sign-in');
const backgroundForm = document.querySelector('.backgroundForm');
const login = document.querySelector('.login');

enter.addEventListener('click', function() {
  backgroundForm.classList.toggle('active');
  login.classList.toggle('active');
});

function chunkArray(array, chunk) {
  const newArray = [];
  for (let i = 0; i < array.length; i += chunk) {
    newArray.push(array.slice(i, i + chunk));
  }
  return newArray;
}

const res = chunkArray(array, 2);
console.log(res);

let bShow = document.querySelectorAll('button');

for (let i = 0; i < bShow.length; i++) {
  bShow[i].onclick = function() {
    alert('Hi');
  }
}

const btn = document.querySelector("#btn");
const box1 = document.querySelector("#box1");
const boxText = document.querySelector("#box-text");

const boxBackground = box1.style.backgroundColor;

btn.addEventListener("click", function() {
  boxText.innerHTML = `background-color: ${boxBackground}`;
})

$("#btn").click(function() {
	$("#box-text").text("background-color: " + $("#box1").css("background-color"));
});