What to do if webpack4 react reports errors

Webpack4 react error solution: 1. Enter the globally installed webpack directory; 2. Delete the installed webpack version; 3. Execute the command "npm un webpack npm un webpack-cli"; 4. Then Execute the "npm i webpack-dev-server@3.10.2" command.

The operating environment of this tutorial: Windows 10 system, react18.0.0 version, Dell G3 computer.

What should I do if webpack4 react reports an error?

The solution to the error after upgrading webpack4 locally in the react project

The error is reported as shown above:

Solution Method, enter the globally installed webpack directory:

Enter the directory: first delete the installed webpack version:

Execute the following commands in sequence:

npm un webpack
npm un webpack-cli
npm un webpack-dev-server
npm i webpack@4.41.5
npm i webpack-cli
npm i webpack-dev-server@3.1.14

Then run the project:

There is an error as follows:

The dev-server version we just installed is wrong, re-execute

npm i webpack-dev-server@3.10.2

Problem solved.

Recommended learning: "react video tutorial"

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