(SOME README.MD OF COURS WAS NOTIFIED SO READ IT) ############ REACT JS INSTALL ############ # install node.js from official website (Lastest or high then 6). # install lastest npm : (npm install --global npm) "in cmd". # install create-react-app : (npm install --global create-react-app) "in cmd". (is a tool to make easy developpement an configure React-JS project) > ############ CREATE REACT JS PROJECT ############ # Open CMD into your folder project and do : create-react-app (name of your project : without spaces and all be lower character). # npm start : to start project. # ( src/index.js & oublic/index.html ) : are used by CRA. # Our files (CSS / JS / ...) Need to be inside "src" folder. ############ COMMANDES ############ # npm start : to start a project from the floder created by create-react-app, so your cmd need to be inside this folder. # yarn : qui est une alternative à la commande officielle npm . Yarn est un client alternatif, mais ses avantages se sont considérablement réduits depuis la sortie de npm 5. # npm run build : Bundles the app into static files for production.