Даниил Братухин

for (let i = 1; i <= 3; i++) {
  self[`zp${i}`] = prompt('Введите зарплату ' + i +  ' сотрудника');
}

console.log(zp1, zp2, zp3) // глобальные переменные

const zp = []

for (let i = 1; i <= 3; i++) {
  zp[i - 1] = prompt('Введите зарплату ' + i +  ' сотрудника');
}

console.log(zp[0], zp[1], zp[2])

return (answer => answer % 1 ? -1 : answer)(value / n);

function addTodo (key, value) {
  localStorage.setItem(key, localStorage.getItem(key) + value))
}

function addTodo (key, index, value) {
  localStorage.setItem(`${key}${index}`, value)
}

function addTodo (key, value) {
  let list = []

  try { 
    list = JSON.parse(localStorage.getItem(key))
  } catch (e) {
    console.error(e)
  }

  list.push(value)
  localStorage.setItem(key, JSON.stringify(list))
}

img.onload = counter++;
img.onerror = counter++;

const actions = {
  getProducts({ commit }, $state) {
    // blah
    $state.loaded()
  }
}

function startAfter (delay, callback) {
  const elapsed = Date.now() - performance.timing.navigationStart

  if (elapsed >= delay) {
    callback()
  } else {
    setTimeout(callback, delay - elapsed)
  }
}

document.addEventListener("DOMContentLoaded", () => {
  startAfter(2000, () => console.log("DOM fully loaded and parsed"))
})

.flat:hover {
  box-shadow: none;
}

// В обработчике нажатия
$(this).addClass('flat')