scripts/userscripts/tiktok.user.js

// ==UserScript==
// @name        TikTok+
// @namespace   tretrauit-dev
// @match       *://www.tiktok.com/*
// @grant       none
// @version     1.0
// @author      tretrauit
// @description TikTok utilities.
// @run-at      document-idle
// @homepageURL https://gitlab.com/tretrauit/scripts
// @supportURL  https://gitlab.com/tretrauit/scripts/-/issues
// downloadURL https://git.tretrauit.me/tretrauit/scripts/raw/branch/main/userscripts/tiktok.user.js
// ==/UserScript==

// Remove the "download app ads"
const dlClasses = [
	"tiktok-9er52i-DivCtaGuideWrapper",
	"tiktok-99ed1t-DivFooterGuide",
	"tiktok-txik7e-DivFloatButtonWrapper",
	"tiktok-h0mxry-DivCtaContentWrapper",
];
setInterval(() => {
	for (const dlClass of dlClasses) {
		const element = document.getElementsByClassName(dlClass)[0];
		if (element === undefined) {
			continue;
		}
		for (const childElm of element.children) {
			console.log(childElm);
			setTimeout(() => element.removeChild(childElm), 1);
		}
		element.style["height"] = "0px";
		element.style["padding"] = "0px";
		element.style["z-index"] = "-1";
	}
}, 50);