Create new Repo on Github, clone it to your local comp, add changes and push them on Github

github-basic.js

// Create a new Github Repo
on Github website click +
  
// clone the Github repo on your comp
git clone 'url_repo_from_github'

// Check remotes (references to repos that are not on my comp)
git remote -v

// if you don't have an origin remote, create one
git add origin 'url_repo_from_github'

// Committing changes in GIT and pushing to a Github repo

// 1 make some changes to your project in the editor
// go to your project in terminal
// check your git status
git status ( if branch is up to date means that you didint add your change to git)

// add all changes to git
git add .

// check the status of your project again (get:  changes to be commited file_name.js
git status 

// commit changes
git commit - m 'edit file x'

// check if there is nothing else to commit
git status (nothing to commit)

// push to github ( push to origin the master branch that was just modified )
git push origin master