JAVASCRIPT

update nodejs mac

sudo npm cache clean -f 
sudo npm install -g n
sudo n stable/lts 

change version of node mac

// first download "n"
npm install -g n 
// then run command to switch to specific node version
n 14.18.0

how to update node on mac

#this will update postgres and dependencies and 
#sometimes will be enough.  check version after
brew update
brew upgrade node
node --version # outputs: v12.x.x
#not the version i wanted so list packages
nvm ls
#Find the version I want, says N/A: default -> 16.15.1 (-> N/A)
nvm install 16.15.1
node --version # outputs: v16.15.1 !hooray!

update node js mac to latest version

brew update
brew upgrade node

Node version mac

node -v / node --version

update nodejs to latest version on mac

// use brew to upgrade node to the latest version
brew update
brew upgrade node
node --version // outputs: v12.x.x

// also you can do it with npn
sudo npm cache clean -f // clean first
sudo npm install -g n // install globally
sudo n stable/lts 

update to node 12 mac

// Fix node not found first	
sudo chown -R `whoami`:admin /usr/local/include/node
    sudo chown -R `whoami`:admin /usr/local/bin
    sudo chown -R `whoami`:admin /usr/local/share
    sudo chown -R `whoami`:admin /usr/local/lib/dtrace 

 brew link --overwrite node
 
// Then: 
sudo npm cache clean -f 
sudo npm install -g n 
sudo n stable/lts