Baidu App Technology

Jun 9, 2021 · Frontend Development

How to Build a High‑Performance Virtual Tree in Santd for 10k+ Nodes

This article explains the concept of a virtual tree, why it is needed for rendering massive data sets, and provides a step‑by‑step implementation—including flattening the tree, calculating visible nodes, simulating scroll, and decorating the list—demonstrating a speedup from 26 seconds to 0.19 seconds.