正在跳转至 http://babeljs.io/repl/#?babili=false&browsers=&build=&builtIns=false&code_lz=KYDwDg9gTgLgBAE2AMwIYFcA28DGnUDOBcACsFARAHZwDeAUHHDtQTFOjjNHABS1wqqALbAANHFQBzcXAKg4AXwCUdRkzgwAFgEsCAOjyECAORHA4AXjgByMhWo31TbXv1DRVweeebdB6QtrQN9XA3kQLwj1RXUZGDNPXlUGDTgoYBh0KBow9x8mWNigA&debug=false&circleciRepo=&evaluate=false&fileSize=false&lineWrap=true&presets=es2015-loose&prettier=false&targets=&version=6.26.0