Common methods of nodejs version upgrade or switching

node Common methods of version upgrade

1. Download and install on the official website nodejs package ( Not recommended )

most lou Is to delete the computer nodejs package , Then download again .
# Not recommended #: nodejs Package deletion is not clean, which may cause other problems

2.nvm install (win recommend )

nvm Don't download it , Go to Baidu by yourself , Just install the next one
cmd Command line nvm -v Just check whether it is installed

After installation , Find the path to install , open setting.txt

node_mirror: https://npm.taobao.org/mirrors/node/
npm_mirror: https://npm.taobao.org/mirrors/npm/

Configure Taobao image path , Otherwise, it defaults from github Download from foreign servers , It will be slow , Bad network may cause packet loss

nvm Common commands

	nvm off                     //  Ban node.js version management ( Don't unload anything )
	nvm on                      //  Enable node.js version management 
	nvm install <version>       //  install node.js The name of  version It's the version number   for example ：nvm install 8.12.0
	nvm uninstall <version>     //  uninstall node.js Yes, orders , Uninstall the specified version of nodejs, When the installation fails, uninstall and use 
	nvm ls                      //  Displays all installed node.js edition 
	nvm list available          //  Displays all that can be installed node.js Version of 
	nvm use <version>           //  Switch to use the specified nodejs edition 
	nvm v                       //  Show nvm edition 
	nvm install stable          //  Install the latest stable version 

Remember after installation nvm use node The version number is to switch to the corresponding version nodejs 了

3.n Module installation (Linux recommend )

node Of n The module is node Dedicated to the management of node Version of the module , Can be done node Version switching 、 download 、 install .

n install (npm、cnpm、yarn、pnpm Whichever you like )

// windows Environmental Science 
npm install -g n
// mac  Environmental Science 
sudo npm install -g n 

npm install -g n There may be a mistake .
Use ：npm install -g n --force that will do

n Common commands

	n --version       //  see n  Version of the module 
	n                 //  Show all downloaded node edition 
	n latest          //  Upgrade to the latest node edition 
	n stable          //  Upgrade to the latest stable node edition 
	n rm <version>    //  Delete specified node edition 
	n <version>       //  Use the corresponding node edition 

n Module mismatch windows System , therefore win It is not recommended if there is no other system installed , Let's see what I like , If you insist on using it, install Linux Well .