The node version cannot be downgraded directly, but you can uninstall the higher version and use the nvm version controller to reinstall the lower version of node to downgrade. Downgrade method: 1. Use "npm instlal -gn" to globally install the n module; 2. Use "n rm version" to uninstall the specified version; 3. After installing nvm, use "nvm use version" to install the specified version.
The operating environment of this article: Windows 10 system, nodejs version 16, Dell G3 computer.
The node version can be directly upgraded to a higher version, but cannot be downgraded to a lower version.
Some projects require a higher version and some require a lower version, so you can use the version controller nvm.
Examples are as follows:
1. Install the npm plug-in n and manage the node version through the n module.
1. Install n module globally
npm instlal -gn2. Install the current stable version
n stable or sudo n stable3. Install the latest version
n latest or sudo n latest4. Install the specified version of node
n v8.16.05. Uninstall the specified node version
nrm v8.16.02. Use nvm to manage node versions
1. Install nvm
brew install nvm2. Use nvm to install the node version
Install the latest version
nvm isntall nodeInstall specified version
nvm install 8.16.03. View all versions
nvmls4. Switch node version
Use the latest version
nvm use nodeUse specified version
nvm use 10.16.2knowledge expansion
Some projects require a higher version and some require a lower version, so you can use the version controller nvm (windows system)
1. First clear and uninstall the local node
Enter cmd where node to view the node storage location and clear all files in this folder.
Control Panel->Uninstall a program->node uninstall
2. Download nvm:Releases · coreybutler/nvm-windows · GitHub
Download nvm-setup.zip
Double-click to install and select the location to store nvm and node downloads. The first path is the saving path of nvm, and the second is the path where node is downloaded and saved. It is best not to put it on the c drive.
3. Check whether nvm installation is successful: nvm v
4. Next install the node version: nvm ls available can view the version. In addition to the following, the rest can also be installed.
5. Install node: nvm install 12.17.0 (install a fixed version), multiple versions can be installed
6. Select the node version: nvm use 12.17.0. You can only select one node version, and the other versions will not be used.
This step may cause garbled characters or status1 errors. In this case, you need to exit cmd and run cmd with administrator privileges before executing the use command.
7. Check whether node is installed successfully: node -v and npm -v
8. nvm ls can view all installed versions
Recommended learning: "nodejs video tutorial"
The above are the details of whether node can be downgraded. For more information, please pay attention to other related articles on this site!