Learning-Javascript

Read 📖Learning Javascript and Practice.

❗Before Practice

I using MacOS and node version is v10.15.0.
I do not need babel since node version 10 is already supports most of ES6, but I used it for study:blush:.

❗Install

1. gulp

$ npm install -g gulp
$ gulp -v 
  CLI version: 2.2.0
  Local version: 4.0.1

2. babel-preset

$ npm install --save-dev babel-preset-es2015
  or
$ npm install --save-dev @babel/core @babel/preset-env

3. gulp-babel

$ npm install --save-dev gulp-babel

4. eslint

$ npm install -g eslint

5. gulp-eslint

$ npm install --save-dev gulp-eslint