very basic tampermonkey instagram downloader, shows urls in console, createUI also shows them in a popup

instagram-downloader.js

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.instagram.com/p/*
// @require http://code.jquery.com/jquery-3.5.1.min.js
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    setTimeout(() => {
        const url = window.location.href + "?__a=1";
        const urls = [];
        fetch(url)
            .then(response => response.json())
            .then(data => {
                //debugger;
                if (data.graphql.shortcode_media.edge_sidecar_to_children) {
                    //multiple
                    const nodes = data.graphql.shortcode_media.edge_sidecar_to_children.edges;
                    for (const node of nodes) {
                        urls.push(get_url(node.node));
                    }
                } else {
                    const node = data.graphql.shortcode_media;
                    urls.push(get_url(node));
                }
                
                //createUI(urls);

            });

    }, 500);

    function get_url(node) {
        if (node.is_video) {
            console.log(node.video_url);
            return node.video_url;
        } else {
            console.log(node.display_url);
            return node.display_url;
        }
    }

    function createUI(urls) {
        var div = document.createElement('div');

        div.style.position = 'absolute';
        div.style.width = '500px';
        div.style.height = '300px';
        div.style.border = '1px solid black';
        div.style.top = '5px';
        div.style.left = '5px';
        div.style.zIndex = '1';
        div.style.backgroundColor = 'white';
        div.style.overflow = 'auto';
        document.body.appendChild(div);

        var btn = document.createElement("button");
        btn.innerHTML = "X";
        btn.style.width = "30px";
        btn.style.display = 'inline-block';
        document.body.appendChild(btn);
        div.appendChild(btn);
        btn.addEventListener('click', () => {
            div.remove();
        });

        var content = document.createElement('textarea');
        content.style.width = '100%';
        content.style.height = 'calc(100% - 30px)';
        content.style.boxSizing = 'border-box';

        content.innerHTML = urls.join('\n');
        div.appendChild(content);

        navigator.clipboard.writeText(urls.join('\n'));
    }
})();