scroll management

Rare Earth Juejin Tech Community

May 30, 2024 · Frontend Development

Virtual Scrolling Techniques and Performance Optimization for Large Document Editors

This article explains how virtual scrolling can dramatically improve the performance of large online document editors by rendering only visible content, discusses various implementation strategies such as progressive pagination, canvas rendering, line‑ and block‑level virtualization, and details state management, view‑locking, fast‑scroll handling, and integration scenarios like anchor navigation, find‑replace, and comment systems, while providing code examples and performance test results.