def setup
  createCanvas(180, 150)
  @w = createDiv.position(0, 0)
  @h = createDiv.position(0, 20)
  @ww = createDiv.position(0, 50)
  @wh = createDiv.position(0, 70)
  @dw = createDiv.position(0, 100)
  @dh = createDiv.position(0, 120)
end

def draw
  background(220)
  @w.html("width : #{width}")
  @h.html("height: #{height}")
  @ww.html("window width : #{windowWidth}")
  @wh.html("window height: #{windowHeight}")
  @dw.html("display width : #{displayWidth}")
  @dh.html("display height: #{displayHeight}")
end