docs: function number()
      {
          const number = document.createElement('div')
          document.body.appendChild(number)
          number.innerHTML = rand(1000)
          number.style.fontSize = '300%'
          number.style.position = 'fixed'
          number.style.left = number.style.top = '50%'
          number.style.color = 'red'
          number.style.opacity = 1
          return number
      }