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I Built a Library to Sync Browser Tabs 🔄
TabCoord是一个不足5KB、零依赖的轻量库，利用BroadcastChannel API实现浏览器标签页间状态同步、领导者选举、锁与事件通信。
Here's Why and How to Use It We've all been there. You're building a web app, everything works fine in one tab — but the moment a user opens a second …