> For the complete documentation index, see [llms.txt](https://mm.ricky.moe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mm.ricky.moe/frontend-ecosystem/webpack/re-geng-xin-de-yuan-li.md).

# HMR

(HMR )Hot Module Replacement 热更新是webpack最重要的功能之一

![](/files/-LwLXu3pVeX635AS5Tue)

<div align="center"><img src="/files/-LwLYbt7SxAkWU51NX1Y" alt=""></div>