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Babel #110

Open rogerxu opened 7 years ago

rogerxu commented 7 years ago

Babel · The compiler for writing next generation JavaScript

rogerxu commented 6 years ago

CLI

npm install --save-dev babel-cli babel-preset-env

.babelrc

{
  "presets": ["env"]
}

Polyfill

npm install --save-dev babel-polyfill