how to upgrade node version in ubuntu code example

Example 1: updating node js ubuntu

curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
sudo apt-get install -y nodejs

Example 2: update nodejs

//First, clear the npm cache:
	npm cache clean -f

//Install n, Node’s version manager:
	npm install -g n
    
//With the n module installed, you can use it to:
	Install the latest stable version: n stable
	Install the latest release: n latest

Example 3: update node ubuntu

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

Example 4: ubuntu update nodejs

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_13.x | bash -
apt-get install -y nodejs

Example 5: ubuntu update nodejs

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_12.x | bash -
apt-get install -y nodejs