Install Node.js
# Using Ubuntu
curl -fsSL <https://deb.nodesource.com/setup_16.x> | sudo -E bash -
sudo apt-get install -y nodejs
sudo apt-cache show nodejs \\\\ showing the installed versions
curl -fsSL [<https://deb.nodesource.com/setup_14.x>](<https://deb.nodesource.com/setup_14.x>) | sudo -E bash -
sudo apt-get install -y nodejs
turning on the liter should be adding in the JS file //@ts-check
sudo apt-cache show nodejs // showing the installed versions
node // runs javascript on the computer
let testRun = 5
console.log(testRun) // runfunction and calll it
testRun +3 // 8