
WebWorker
🚀 Optimizing Bulk Excel-like Table Updates Using Web Workers Recently, I worked on improving the performance of a feature where users update large Excel-like table data (thousands of rows). Handling everything on the main thread was causing noticeable UI lag and freezing issues 😓 To solve this, I used Web Workers — and the results were a game changer. Instead of processing heavy data updates on the main thread, I moved the logic into a Web Worker. This allowed the UI to stay smooth and responsive while the data processing happened in the background. 💡 What I did: Offloaded bulk row updates and transformations to a Web Worker Used postMessage to send data between the main thread and worker Processed large datasets (filtering, mapping, calculations) inside the worker Sent back only the final processed result to update the UI ⚡ Result: No more UI freezing Smooth scrolling and interactions even with large datasets Better user experience overall 📌 When to use Web Workers? Large data process
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