var root = document.documentElement; root.classList.remove("nojs"); var pausePlayButton = document.getElementById("pause-snow"); var pausePlayLabel = pausePlayButton.querySelector(".pause-play"); pausePlayButton.addEventListener("click", pauseSnow); function pauseSnow() { var paused = root.classList.toggle("snowing-paused"); } requestAnimationFrame(run); function run() { root.classList.add("night"); root.classList.add("snowing"); } //# sourceURL=pen.js