language: node_js
sudo: false
before_install:
  - npm update -g npm
install:
  - travis_retry npm install
node_js:
  - "8"
  - "7"
  - "6"
  - "4.7"

language: node_js
sudo: false
before_install:
  - npm update -g npm
install:
  - travis_retry npm install
node_js:
  - "8"
  - "7"
  - "6"

Remove Node 4.7 from Travis CI
Remove Node 4.7 from Travis CI