let stylesheet window.addEventListener("load", () => { stylesheet = document.styleSheets[0]; let skipNode = document.createElement("div"); skipNode.setAttribute("class", "skip-animation"); skipNode.setAttribute("onclick", "skipAnimation()"); document.body.appendChild(skipNode); }); function skipAnimation() { for (let node of document.getElementsByClassName("skip")) { const animations = node.getAnimations(); for (let anim of animations) { anim.finish(); } } for (let node of document.getElementsByClassName("splash")) { const animations = node.getAnimations(); for (let anim of animations) { anim.finish(); } } document.getElementsByClassName("skip-animation")[0].remove(); }