JavaScript Web Workers：保持你的用户界面流畅与灵敏
🧵 JavaScript Is Single‑Threaded… Until It’s Not JavaScript is often referred to as a single‑threaded language. But what does that mean? In simple terms, being single‑threaded means JavaScript can...
JavaScript被称为单线程语言，意味着它一次只能使用一个CPU核心。虽然大部分操作在主线程上运行，但某些任务（如setTimeout和fetch）可以在浏览器的Web API中处理。Web Workers允许在独立线程中执行重计算，保持UI流畅。它们不能直接访问DOM，通过postMessage进行通信，从而避免主线程阻塞，提高用户体验。
