VRChat Random World

Adds a button to find random worlds! Fun yay!!
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Wrap lines
// ==UserScript==
// @name        VRChat Random World
// @description Adds a button to find random worlds! Fun yay!!
// @match       https://vrchat.com/home*
// @version     1.0.0
// @author      Laku
// @namespace   https://greasyfork.org/users/1387751
// ==/UserScript==

async function random_world() {
  let json = await fetch("https://vrchat.com/api/1/worlds?n=100&sort=random").then((res) => res.json());
  let world = json[Math.floor(Math.random() * 100)];
  let url = "https://vrchat.com/home/world/" + world.id + "/info";
  window.open(url, '_blank').focus();
}

function add_the_button() {
  let nav = document.querySelector("nav>div");
  let clone = nav.querySelector("[title=worlds]").cloneNode(true);
  clone.setAttribute("style","background: #550239; color: #ff00cb; border-color: #8e063f;");
  clone.removeAttribute("href");
  clone.setAttribute("title", "randomworld");
  clone.onclick = random_world;
  clone.querySelector("div").textContent = "Random World";
  nav.appendChild(clone);
}

(new MutationObserver(check)).observe(document, {childList: true, subtree: true});
function check(changes, observer) {
    if(document.querySelector("nav>div>[title=worlds]")) {
        observer.disconnect();
        add_the_button();
    }
}