1. Official website download
Visit the nodejs official website, click on the stable version, and download
https://nodejs.org/en
2. Installation
Double-click the file you just downloaded and follow the steps to install it by default.
3. Verification
After the installation is complete, open the terminal
npm -v
node -v
The version information appears as shown below, indicating that the installation was successful.
4. Environment configuration
Open the Mac terminal and configure global environment variables
vim .bash_profile
Add the following line of code, (Mac node and npm executable files are in the /usr/local/bin/ directory)
Press i to enter the following
PATH=$PATH:/usr/local/bin/
Press ESC and enter:
:wq //保存并退出
At this point, reopen the terminal and enter node to enter the node environment.
5. Uninstall node and npm
1. Enter the following commands in the terminal in sequence
Note: $USER, remember to delete it under the account you logged in; you can also go to the corresponding directory to check whether there are these files.
sudo npm uninstall npm -g
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*
sudo rm -rf /usr/local/include/node /Users/$USER/.npm
sudo rm /usr/local/bin/node
sudo rm /usr/local/share/man/man1/node.1
sudo rm /usr/local/lib/dtrace/node.d
2. Verification
Return: zsh: command not found: npm, then success
node -v
npm -v