How to use npm to download specified version components

This time I will show you how to use npm to download specified version components. What are the precautions for using npm to download specified version components. The following is a practical case, let's take a look.

First make sure that the file directory contains the

package.json

file.

If not, you can create it through

npm init

.

Then just Just add the

@2.8.1

version number after the component,

For example: react-router has been updated to version 4.x, I would like To download the 2.x version, you can complete the download through the following command

npm install --save-dev react-router@2.8.1

. You can check the react-router version under the

package.json

file.

I believe you have read the case in this article. You have mastered the method. For more exciting information, please pay attention to other related articles on the php Chinese website!

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