alert("hello world")

document.body.style.backgroundColor = "black";

const snippet = document.createElement("section");
snippet.classList.add("snippet");
const pre = document.createElement("pre");
pre.classList.add("new-snippet");
pre.textContent = `document.querySelectorAll("pre").forEach(v => v.contentEditable = true);
document.querySelector(".new-snippet").focus();
document.execCommand("selectAll");`;
snippet.append(pre);
const playButton = document.createElement("button");
playButton.textContent = "▶ Run";
playButton.addEventListener("click", (e) => {
  const code = snippet.querySelector("pre").textContent;
  new Function(code)();
});
snippet.prepend(playButton);
document.body.append(snippet);