Alibaba Terminal Technology

Sep 6, 2021 · Frontend Development

Exploring OpenHarmony’s New JS UI Framework: Architecture, Code, and Development Insights

This article provides an in‑depth analysis of OpenHarmony’s open‑source JS UI framework, covering system architecture layers, ACE engine repositories, code structure, frontend implementations (command‑style, declarative, and card‑based), rendering pipeline, and practical build commands, while comparing HarmonyOS and OpenHarmony.