Note that this wiki page is old and somewhat out of date. The current Webpack docs on HMR are at https://webpack.js.org/concepts/hot-module-replacement/ https:

Note that this wiki page is old and somewhat out of date. The current Webpack docs on HMR are at https://webpack.js.org/concepts/hot-module-replacement/ https://webpack.js.org/concepts/hot-module-replacement/ and https://webpack.js.org/guides/hmr-react/ https://webpack.js.org/guides/hmr-react/ .