what-new-in-chrome/public/demo/shared.js

export function logTo(target, title, payload) {
  const el = typeof target === "string" ? document.querySelector(target) : target;
  if (!el) return;
  const stamp = new Date().toLocaleTimeString("zh-CN", { hour12: false });
  const entry = {
    time: stamp,
    event: title,
    ...payload,
  };
  el.textContent = `${JSON.stringify(entry, null, 2)}\n\n${el.textContent}`.trim();
}

export function setText(selector, value) {
  const el = document.querySelector(selector);
  if (el) el.textContent = value;
}

export function escapeHtml(value) {
  return String(value)
    .replaceAll("&", "&")
    .replaceAll("<", "&lt;")
    .replaceAll(">", "&gt;")
    .replaceAll('"', "&quot;");
}