makes a smiley face

smiley.user.js

// ==UserScript==
// @name         Add Smiley Face
// @namespace    Violentmonkey Scripts
// @match        http*://*/*
// @grant        none
// ==/UserScript==

(function() {
  // Create a div element for the smiley face
  const smileyDiv = document.createElement("div");
  smileyDiv.innerText = "😊";
  smileyDiv.style.position = "fixed";
  smileyDiv.style.top = "10px";
  smileyDiv.style.right = "10px";
  smileyDiv.style.fontSize = "24px";
  smileyDiv.style.zIndex = "9999";

  // Add the smiley face to the document body
  document.body.appendChild(smileyDiv);
})();