next.js 是一个基于 React 的通用 JavaScript 框架，next.js 为 React 组件模型提供了扩展，支持基于服务器的组件渲染 (SSR)，同时也支持在客户端继续进行渲染。本文通过实现一个热门加密货币行情的网站来学习 next.js。

Warning: This synthetic event is reused for performance reasons. If you're seeing this, you're accessing the property target on a released/nullified synthetic event. This is set to null. If you must keep the original synthetic event around, use event.persist(). See [链接] for more information.