https://b.hatena.ne.jp/entry/s/github.com/getify/es-feature-tests Load the library, request feature test results for the current browser, use those results to determine what code to deliver for your application! If all the JavaScript features/syntax your code use... https://b.hatena.ne.jp/efcl/20150507#bookmark-250275502 ECMAScript6+な機能についてfeature detectを実行して結果を取得するライブラリ 2015-05-07T13:14:58Z JavaScript library testing https://b.hatena.ne.jp/teppeis/20150507#bookmark-250275502 2015-05-07T02:04:21Z ecmascript