JAVASCRIPT

install babel command line

npm i -D @babel/core @babel/preset-env babel-loader

install babel

npm install babel-cli babel-core --save-dev

install babel

npm install --save-dev @babel/core @babel/cli @babel/preset-env

Copied

babel install js

$ npm install @babel/core @babel/node @babel/preset-env

install babel

npm install babel-preset-es2015 --save-dev

set up babel

"scripts": {
    "babel": "babel --presets es2015 js/main.js -o build/main.bundle.js",
    "start": "http-server"
},

installing babel from command line

npm i -D babel-cli babel-core babel-preset-env

install babel

npm install --save-dev @babel/core @babel/cli @babel/preset-env

Copy

install babel language

$ sudo apt-cache search texlive french
 texlive-doc-fr - TeX Live: French documentation
 texlive-lang-french - TeX Live: French

$sudo apt-get install texlive-lang-french